Home / 80,925.27-121,393.37-38,814.58

Finding the Fourth Proportional to 80,925.27, 121,393.37 and 38,814.58

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Solution

The fourth proportional to 80,925.27, 121,393.37 and 38,814.58 is: 58,224.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,925.27 : 121,393.37 = 38,814.58 : x
  2. Step 2: Convert to fraction form
    80,925.27/121,393.37 = 38,814.58/x
  3. Step 3: Cross multiply
    80,925.27x = 121,393.37 × 38,814.58
  4. Step 4: Simplify right side
    80,925.27x = 4,711,832,671.33
  5. Step 5: Solve for x
    x = 4,711,832,671.33/80,925.27
  6. Step 6: Final answer
    x = 58,224.49

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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.