Home / 75,087.54-103,632.45-42,822.23

Finding the Fourth Proportional to 75,087.54, 103,632.45 and 42,822.23

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Solution

The fourth proportional to 75,087.54, 103,632.45 and 42,822.23 is: 59,101.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,087.54 : 103,632.45 = 42,822.23 : x
  2. Step 2: Convert to fraction form
    75,087.54/103,632.45 = 42,822.23/x
  3. Step 3: Cross multiply
    75,087.54x = 103,632.45 × 42,822.23
  4. Step 4: Simplify right side
    75,087.54x = 4,437,772,609.36
  5. Step 5: Solve for x
    x = 4,437,772,609.36/75,087.54
  6. Step 6: Final answer
    x = 59,101.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.