Home / 74,431.13-102,714.98-40,897.13

Finding the Fourth Proportional to 74,431.13, 102,714.98 and 40,897.13

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Solution

The fourth proportional to 74,431.13, 102,714.98 and 40,897.13 is: 56,438.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,431.13 : 102,714.98 = 40,897.13 : x
  2. Step 2: Convert to fraction form
    74,431.13/102,714.98 = 40,897.13/x
  3. Step 3: Cross multiply
    74,431.13x = 102,714.98 × 40,897.13
  4. Step 4: Simplify right side
    74,431.13x = 4,200,747,171.95
  5. Step 5: Solve for x
    x = 4,200,747,171.95/74,431.13
  6. Step 6: Final answer
    x = 56,438.04

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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.