Home / 75,110.16-103,663.62-42,844.92

Finding the Fourth Proportional to 75,110.16, 103,663.62 and 42,844.92

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Solution

The fourth proportional to 75,110.16, 103,663.62 and 42,844.92 is: 59,132.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,110.16 : 103,663.62 = 42,844.92 : x
  2. Step 2: Convert to fraction form
    75,110.16/103,663.62 = 42,844.92/x
  3. Step 3: Cross multiply
    75,110.16x = 103,663.62 × 42,844.92
  4. Step 4: Simplify right side
    75,110.16x = 4,441,459,505.81
  5. Step 5: Solve for x
    x = 4,441,459,505.81/75,110.16
  6. Step 6: Final answer
    x = 59,132.61

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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.