Home / 70,115.52-96,793.44-45,007.68

Finding the Fourth Proportional to 70,115.52, 96,793.44 and 45,007.68

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Solution

The fourth proportional to 70,115.52, 96,793.44 and 45,007.68 is: 62,132.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,115.52 : 96,793.44 = 45,007.68 : x
  2. Step 2: Convert to fraction form
    70,115.52/96,793.44 = 45,007.68/x
  3. Step 3: Cross multiply
    70,115.52x = 96,793.44 × 45,007.68
  4. Step 4: Simplify right side
    70,115.52x = 4,356,448,173.62
  5. Step 5: Solve for x
    x = 4,356,448,173.62/70,115.52
  6. Step 6: Final answer
    x = 62,132.44

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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.