Home / 74,557.56-102,864.78-42,288.24

Finding the Fourth Proportional to 74,557.56, 102,864.78 and 42,288.24

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Solution

The fourth proportional to 74,557.56, 102,864.78 and 42,288.24 is: 58,343.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,557.56 : 102,864.78 = 42,288.24 : x
  2. Step 2: Convert to fraction form
    74,557.56/102,864.78 = 42,288.24/x
  3. Step 3: Cross multiply
    74,557.56x = 102,864.78 × 42,288.24
  4. Step 4: Simplify right side
    74,557.56x = 4,349,970,504.19
  5. Step 5: Solve for x
    x = 4,349,970,504.19/74,557.56
  6. Step 6: Final answer
    x = 58,343.79

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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.