Home / 63,911.90-88,188.14-38,412.19

Finding the Fourth Proportional to 63,911.90, 88,188.14 and 38,412.19

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Solution

The fourth proportional to 63,911.90, 88,188.14 and 38,412.19 is: 53,002.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,911.90 : 88,188.14 = 38,412.19 : x
  2. Step 2: Convert to fraction form
    63,911.90/88,188.14 = 38,412.19/x
  3. Step 3: Cross multiply
    63,911.90x = 88,188.14 × 38,412.19
  4. Step 4: Simplify right side
    63,911.90x = 3,387,499,795.69
  5. Step 5: Solve for x
    x = 3,387,499,795.69/63,911.90
  6. Step 6: Final answer
    x = 53,002.64

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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.