Home / 101,747.04-140,412.60-56,427

Finding the Fourth Proportional to 101,747.04, 140,412.60 and 56,427

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Solution

The fourth proportional to 101,747.04, 140,412.60 and 56,427 is: 77,870.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,747.04 : 140,412.60 = 56,427 : x
  2. Step 2: Convert to fraction form
    101,747.04/140,412.60 = 56,427/x
  3. Step 3: Cross multiply
    101,747.04x = 140,412.60 × 56,427
  4. Step 4: Simplify right side
    101,747.04x = 7,923,061,780.20
  5. Step 5: Solve for x
    x = 7,923,061,780.20/101,747.04
  6. Step 6: Final answer
    x = 77,870.19

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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.