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Finding the Fourth Proportional to 84,030.60, 115,957.60 and 52,198.92

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Solution

The fourth proportional to 84,030.60, 115,957.60 and 52,198.92 is: 72,031.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,030.60 : 115,957.60 = 52,198.92 : x
  2. Step 2: Convert to fraction form
    84,030.60/115,957.60 = 52,198.92/x
  3. Step 3: Cross multiply
    84,030.60x = 115,957.60 × 52,198.92
  4. Step 4: Simplify right side
    84,030.60x = 6,052,861,485.79
  5. Step 5: Solve for x
    x = 6,052,861,485.79/84,030.60
  6. Step 6: Final answer
    x = 72,031.63

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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.