Home / 73,748.18-101,772.45-40,214.18

Finding the Fourth Proportional to 73,748.18, 101,772.45 and 40,214.18

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Solution

The fourth proportional to 73,748.18, 101,772.45 and 40,214.18 is: 55,495.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,748.18 : 101,772.45 = 40,214.18 : x
  2. Step 2: Convert to fraction form
    73,748.18/101,772.45 = 40,214.18/x
  3. Step 3: Cross multiply
    73,748.18x = 101,772.45 × 40,214.18
  4. Step 4: Simplify right side
    73,748.18x = 4,092,695,623.34
  5. Step 5: Solve for x
    x = 4,092,695,623.34/73,748.18
  6. Step 6: Final answer
    x = 55,495.55

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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.