Home / 83,348.40-115,022.16-47,051.76

Finding the Fourth Proportional to 83,348.40, 115,022.16 and 47,051.76

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Solution

The fourth proportional to 83,348.40, 115,022.16 and 47,051.76 is: 64,932.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,348.40 : 115,022.16 = 47,051.76 : x
  2. Step 2: Convert to fraction form
    83,348.40/115,022.16 = 47,051.76/x
  3. Step 3: Cross multiply
    83,348.40x = 115,022.16 × 47,051.76
  4. Step 4: Simplify right side
    83,348.40x = 5,411,995,067.00
  5. Step 5: Solve for x
    x = 5,411,995,067.00/83,348.40
  6. Step 6: Final answer
    x = 64,932.20

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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.