Home / 84,737.36-126,985.08-43,213.52

Finding the Fourth Proportional to 84,737.36, 126,985.08 and 43,213.52

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Solution

The fourth proportional to 84,737.36, 126,985.08 and 43,213.52 is: 64,758.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,737.36 : 126,985.08 = 43,213.52 : x
  2. Step 2: Convert to fraction form
    84,737.36/126,985.08 = 43,213.52/x
  3. Step 3: Cross multiply
    84,737.36x = 126,985.08 × 43,213.52
  4. Step 4: Simplify right side
    84,737.36x = 5,487,472,294.28
  5. Step 5: Solve for x
    x = 5,487,472,294.28/84,737.36
  6. Step 6: Final answer
    x = 64,758.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.