Home / 74,224.62-102,430.10-40,233.11

Finding the Fourth Proportional to 74,224.62, 102,430.10 and 40,233.11

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Solution

The fourth proportional to 74,224.62, 102,430.10 and 40,233.11 is: 55,521.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,224.62 : 102,430.10 = 40,233.11 : x
  2. Step 2: Convert to fraction form
    74,224.62/102,430.10 = 40,233.11/x
  3. Step 3: Cross multiply
    74,224.62x = 102,430.10 × 40,233.11
  4. Step 4: Simplify right side
    74,224.62x = 4,121,081,069.04
  5. Step 5: Solve for x
    x = 4,121,081,069.04/74,224.62
  6. Step 6: Final answer
    x = 55,521.75

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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.