Home / 74,164.14-102,344.94-42,332.31

Finding the Fourth Proportional to 74,164.14, 102,344.94 and 42,332.31

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Solution

The fourth proportional to 74,164.14, 102,344.94 and 42,332.31 is: 58,417.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,164.14 : 102,344.94 = 42,332.31 : x
  2. Step 2: Convert to fraction form
    74,164.14/102,344.94 = 42,332.31/x
  3. Step 3: Cross multiply
    74,164.14x = 102,344.94 × 42,332.31
  4. Step 4: Simplify right side
    74,164.14x = 4,332,497,727.01
  5. Step 5: Solve for x
    x = 4,332,497,727.01/74,164.14
  6. Step 6: Final answer
    x = 58,417.69

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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.