Home / 83,435.12-125,152.60-33,515.20

Finding the Fourth Proportional to 83,435.12, 125,152.60 and 33,515.20

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Solution

The fourth proportional to 83,435.12, 125,152.60 and 33,515.20 is: 50,272.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,435.12 : 125,152.60 = 33,515.20 : x
  2. Step 2: Convert to fraction form
    83,435.12/125,152.60 = 33,515.20/x
  3. Step 3: Cross multiply
    83,435.12x = 125,152.60 × 33,515.20
  4. Step 4: Simplify right side
    83,435.12x = 4,194,514,419.52
  5. Step 5: Solve for x
    x = 4,194,514,419.52/83,435.12
  6. Step 6: Final answer
    x = 50,272.77

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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.