Home / 70,148.80-96,805.11-38,317.69

Finding the Fourth Proportional to 70,148.80, 96,805.11 and 38,317.69

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Solution

The fourth proportional to 70,148.80, 96,805.11 and 38,317.69 is: 52,878.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,148.80 : 96,805.11 = 38,317.69 : x
  2. Step 2: Convert to fraction form
    70,148.80/96,805.11 = 38,317.69/x
  3. Step 3: Cross multiply
    70,148.80x = 96,805.11 × 38,317.69
  4. Step 4: Simplify right side
    70,148.80x = 3,709,348,195.40
  5. Step 5: Solve for x
    x = 3,709,348,195.40/70,148.80
  6. Step 6: Final answer
    x = 52,878.28

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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.