Home / 74,248.08-102,461.20-40,255.88

Finding the Fourth Proportional to 74,248.08, 102,461.20 and 40,255.88

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Solution

The fourth proportional to 74,248.08, 102,461.20 and 40,255.88 is: 55,552.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,248.08 : 102,461.20 = 40,255.88 : x
  2. Step 2: Convert to fraction form
    74,248.08/102,461.20 = 40,255.88/x
  3. Step 3: Cross multiply
    74,248.08x = 102,461.20 × 40,255.88
  4. Step 4: Simplify right side
    74,248.08x = 4,124,665,771.86
  5. Step 5: Solve for x
    x = 4,124,665,771.86/74,248.08
  6. Step 6: Final answer
    x = 55,552.49

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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.