Home / 83,740.20-115,560.17-46,013.64

Finding the Fourth Proportional to 83,740.20, 115,560.17 and 46,013.64

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Solution

The fourth proportional to 83,740.20, 115,560.17 and 46,013.64 is: 63,498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,740.20 : 115,560.17 = 46,013.64 : x
  2. Step 2: Convert to fraction form
    83,740.20/115,560.17 = 46,013.64/x
  3. Step 3: Cross multiply
    83,740.20x = 115,560.17 × 46,013.64
  4. Step 4: Simplify right side
    83,740.20x = 5,317,343,830.65
  5. Step 5: Solve for x
    x = 5,317,343,830.65/83,740.20
  6. Step 6: Final answer
    x = 63,498.10

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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.