Home / 71,567.10-107,350.65-65,864.70

Finding the Fourth Proportional to 71,567.10, 107,350.65 and 65,864.70

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Solution

The fourth proportional to 71,567.10, 107,350.65 and 65,864.70 is: 98,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,567.10 : 107,350.65 = 65,864.70 : x
  2. Step 2: Convert to fraction form
    71,567.10/107,350.65 = 65,864.70/x
  3. Step 3: Cross multiply
    71,567.10x = 107,350.65 × 65,864.70
  4. Step 4: Simplify right side
    71,567.10x = 7,070,618,357.06
  5. Step 5: Solve for x
    x = 7,070,618,357.06/71,567.10
  6. Step 6: Final answer
    x = 98,797.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.