Home / 84,861.20-127,291.80-34,924.70

Finding the Fourth Proportional to 84,861.20, 127,291.80 and 34,924.70

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Solution

The fourth proportional to 84,861.20, 127,291.80 and 34,924.70 is: 52,387.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,861.20 : 127,291.80 = 34,924.70 : x
  2. Step 2: Convert to fraction form
    84,861.20/127,291.80 = 34,924.70/x
  3. Step 3: Cross multiply
    84,861.20x = 127,291.80 × 34,924.70
  4. Step 4: Simplify right side
    84,861.20x = 4,445,627,927.46
  5. Step 5: Solve for x
    x = 4,445,627,927.46/84,861.20
  6. Step 6: Final answer
    x = 52,387.05

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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.