Home / 69,320.38-95,657.66-39,510.46

Finding the Fourth Proportional to 69,320.38, 95,657.66 and 39,510.46

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Solution

The fourth proportional to 69,320.38, 95,657.66 and 39,510.46 is: 54,521.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,320.38 : 95,657.66 = 39,510.46 : x
  2. Step 2: Convert to fraction form
    69,320.38/95,657.66 = 39,510.46/x
  3. Step 3: Cross multiply
    69,320.38x = 95,657.66 × 39,510.46
  4. Step 4: Simplify right side
    69,320.38x = 3,779,478,149.12
  5. Step 5: Solve for x
    x = 3,779,478,149.12/69,320.38
  6. Step 6: Final answer
    x = 54,521.89

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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.