Home / 75,087.48-103,632.35-42,822.17

Finding the Fourth Proportional to 75,087.48, 103,632.35 and 42,822.17

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Solution

The fourth proportional to 75,087.48, 103,632.35 and 42,822.17 is: 59,101.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,087.48 : 103,632.35 = 42,822.17 : x
  2. Step 2: Convert to fraction form
    75,087.48/103,632.35 = 42,822.17/x
  3. Step 3: Cross multiply
    75,087.48x = 103,632.35 × 42,822.17
  4. Step 4: Simplify right side
    75,087.48x = 4,437,762,109.20
  5. Step 5: Solve for x
    x = 4,437,762,109.20/75,087.48
  6. Step 6: Final answer
    x = 59,101.23

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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.