Home / 69,612.48-96,065.18-39,397.25

Finding the Fourth Proportional to 69,612.48, 96,065.18 and 39,397.25

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Solution

The fourth proportional to 69,612.48, 96,065.18 and 39,397.25 is: 54,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,612.48 : 96,065.18 = 39,397.25 : x
  2. Step 2: Convert to fraction form
    69,612.48/96,065.18 = 39,397.25/x
  3. Step 3: Cross multiply
    69,612.48x = 96,065.18 × 39,397.25
  4. Step 4: Simplify right side
    69,612.48x = 3,784,703,912.76
  5. Step 5: Solve for x
    x = 3,784,703,912.76/69,612.48
  6. Step 6: Final answer
    x = 54,368.18

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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.