Home / 72,347.76-99,841.68-40,523.13

Finding the Fourth Proportional to 72,347.76, 99,841.68 and 40,523.13

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Solution

The fourth proportional to 72,347.76, 99,841.68 and 40,523.13 is: 55,922.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,347.76 : 99,841.68 = 40,523.13 : x
  2. Step 2: Convert to fraction form
    72,347.76/99,841.68 = 40,523.13/x
  3. Step 3: Cross multiply
    72,347.76x = 99,841.68 × 40,523.13
  4. Step 4: Simplify right side
    72,347.76x = 4,045,897,378.06
  5. Step 5: Solve for x
    x = 4,045,897,378.06/72,347.76
  6. Step 6: Final answer
    x = 55,922.91

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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.