Home / 83,560.83-115,320.06-47,750.10

Finding the Fourth Proportional to 83,560.83, 115,320.06 and 47,750.10

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Solution

The fourth proportional to 83,560.83, 115,320.06 and 47,750.10 is: 65,898.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,560.83 : 115,320.06 = 47,750.10 : x
  2. Step 2: Convert to fraction form
    83,560.83/115,320.06 = 47,750.10/x
  3. Step 3: Cross multiply
    83,560.83x = 115,320.06 × 47,750.10
  4. Step 4: Simplify right side
    83,560.83x = 5,506,544,397.01
  5. Step 5: Solve for x
    x = 5,506,544,397.01/83,560.83
  6. Step 6: Final answer
    x = 65,898.63

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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.