Home / 63,987.18-88,295.31-45,091.50

Finding the Fourth Proportional to 63,987.18, 88,295.31 and 45,091.50

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Solution

The fourth proportional to 63,987.18, 88,295.31 and 45,091.50 is: 62,221.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,987.18 : 88,295.31 = 45,091.50 : x
  2. Step 2: Convert to fraction form
    63,987.18/88,295.31 = 45,091.50/x
  3. Step 3: Cross multiply
    63,987.18x = 88,295.31 × 45,091.50
  4. Step 4: Simplify right side
    63,987.18x = 3,981,367,970.87
  5. Step 5: Solve for x
    x = 3,981,367,970.87/63,987.18
  6. Step 6: Final answer
    x = 62,221.34

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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.