Home / 69,989.66-96,587.07-38,159.90

Finding the Fourth Proportional to 69,989.66, 96,587.07 and 38,159.90

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Solution

The fourth proportional to 69,989.66, 96,587.07 and 38,159.90 is: 52,661.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,989.66 : 96,587.07 = 38,159.90 : x
  2. Step 2: Convert to fraction form
    69,989.66/96,587.07 = 38,159.90/x
  3. Step 3: Cross multiply
    69,989.66x = 96,587.07 × 38,159.90
  4. Step 4: Simplify right side
    69,989.66x = 3,685,752,932.49
  5. Step 5: Solve for x
    x = 3,685,752,932.49/69,989.66
  6. Step 6: Final answer
    x = 52,661.39

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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.