Home / 74,555.16-102,892.05-42,727.02

Finding the Fourth Proportional to 74,555.16, 102,892.05 and 42,727.02

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Solution

The fourth proportional to 74,555.16, 102,892.05 and 42,727.02 is: 58,966.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,555.16 : 102,892.05 = 42,727.02 : x
  2. Step 2: Convert to fraction form
    74,555.16/102,892.05 = 42,727.02/x
  3. Step 3: Cross multiply
    74,555.16x = 102,892.05 × 42,727.02
  4. Step 4: Simplify right side
    74,555.16x = 4,396,270,678.19
  5. Step 5: Solve for x
    x = 4,396,270,678.19/74,555.16
  6. Step 6: Final answer
    x = 58,966.69

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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.