Home / 84,349.46-126,399.35-36,920.72

Finding the Fourth Proportional to 84,349.46, 126,399.35 and 36,920.72

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Solution

The fourth proportional to 84,349.46, 126,399.35 and 36,920.72 is: 55,326.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,349.46 : 126,399.35 = 36,920.72 : x
  2. Step 2: Convert to fraction form
    84,349.46/126,399.35 = 36,920.72/x
  3. Step 3: Cross multiply
    84,349.46x = 126,399.35 × 36,920.72
  4. Step 4: Simplify right side
    84,349.46x = 4,666,755,417.83
  5. Step 5: Solve for x
    x = 4,666,755,417.83/84,349.46
  6. Step 6: Final answer
    x = 55,326.44

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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.