Home / 74,524.18-102,857.98-42,714.40

Finding the Fourth Proportional to 74,524.18, 102,857.98 and 42,714.40

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Solution

The fourth proportional to 74,524.18, 102,857.98 and 42,714.40 is: 58,954.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,524.18 : 102,857.98 = 42,714.40 : x
  2. Step 2: Convert to fraction form
    74,524.18/102,857.98 = 42,714.40/x
  3. Step 3: Cross multiply
    74,524.18x = 102,857.98 × 42,714.40
  4. Step 4: Simplify right side
    74,524.18x = 4,393,516,900.91
  5. Step 5: Solve for x
    x = 4,393,516,900.91/74,524.18
  6. Step 6: Final answer
    x = 58,954.25

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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.