Home / 92,731.80-127,972.20-52,443.63

Finding the Fourth Proportional to 92,731.80, 127,972.20 and 52,443.63

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Solution

The fourth proportional to 92,731.80, 127,972.20 and 52,443.63 is: 72,373.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,731.80 : 127,972.20 = 52,443.63 : x
  2. Step 2: Convert to fraction form
    92,731.80/127,972.20 = 52,443.63/x
  3. Step 3: Cross multiply
    92,731.80x = 127,972.20 × 52,443.63
  4. Step 4: Simplify right side
    92,731.80x = 6,711,326,707.09
  5. Step 5: Solve for x
    x = 6,711,326,707.09/92,731.80
  6. Step 6: Final answer
    x = 72,373.52

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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.