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Finding the Fourth Proportional to 84,833.60, 127,250.40 and 47,508.80

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Solution

The fourth proportional to 84,833.60, 127,250.40 and 47,508.80 is: 71,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,833.60 : 127,250.40 = 47,508.80 : x
  2. Step 2: Convert to fraction form
    84,833.60/127,250.40 = 47,508.80/x
  3. Step 3: Cross multiply
    84,833.60x = 127,250.40 × 47,508.80
  4. Step 4: Simplify right side
    84,833.60x = 6,045,513,803.52
  5. Step 5: Solve for x
    x = 6,045,513,803.52/84,833.60
  6. Step 6: Final answer
    x = 71,263.20

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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.