Home / 90,671.29-125,090.55-52,423.83

Finding the Fourth Proportional to 90,671.29, 125,090.55 and 52,423.83

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Solution

The fourth proportional to 90,671.29, 125,090.55 and 52,423.83 is: 72,324.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,671.29 : 125,090.55 = 52,423.83 : x
  2. Step 2: Convert to fraction form
    90,671.29/125,090.55 = 52,423.83/x
  3. Step 3: Cross multiply
    90,671.29x = 125,090.55 × 52,423.83
  4. Step 4: Simplify right side
    90,671.29x = 6,557,725,727.81
  5. Step 5: Solve for x
    x = 6,557,725,727.81/90,671.29
  6. Step 6: Final answer
    x = 72,324.17

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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.