Home / 74,065.08-102,207.80-42,233.24

Finding the Fourth Proportional to 74,065.08, 102,207.80 and 42,233.24

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Solution

The fourth proportional to 74,065.08, 102,207.80 and 42,233.24 is: 58,280.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,065.08 : 102,207.80 = 42,233.24 : x
  2. Step 2: Convert to fraction form
    74,065.08/102,207.80 = 42,233.24/x
  3. Step 3: Cross multiply
    74,065.08x = 102,207.80 × 42,233.24
  4. Step 4: Simplify right side
    74,065.08x = 4,316,566,547.27
  5. Step 5: Solve for x
    x = 4,316,566,547.27/74,065.08
  6. Step 6: Final answer
    x = 58,280.72

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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.