Home / 69,144.12-95,420.10-40,849.74

Finding the Fourth Proportional to 69,144.12, 95,420.10 and 40,849.74

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Solution

The fourth proportional to 69,144.12, 95,420.10 and 40,849.74 is: 56,373.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,144.12 : 95,420.10 = 40,849.74 : x
  2. Step 2: Convert to fraction form
    69,144.12/95,420.10 = 40,849.74/x
  3. Step 3: Cross multiply
    69,144.12x = 95,420.10 × 40,849.74
  4. Step 4: Simplify right side
    69,144.12x = 3,897,886,275.77
  5. Step 5: Solve for x
    x = 3,897,886,275.77/69,144.12
  6. Step 6: Final answer
    x = 56,373.36

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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.