Home / 67,452.59-93,070.13-39,143.09

Finding the Fourth Proportional to 67,452.59, 93,070.13 and 39,143.09

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Solution

The fourth proportional to 67,452.59, 93,070.13 and 39,143.09 is: 54,009.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,452.59 : 93,070.13 = 39,143.09 : x
  2. Step 2: Convert to fraction form
    67,452.59/93,070.13 = 39,143.09/x
  3. Step 3: Cross multiply
    67,452.59x = 93,070.13 × 39,143.09
  4. Step 4: Simplify right side
    67,452.59x = 3,643,052,279.19
  5. Step 5: Solve for x
    x = 3,643,052,279.19/67,452.59
  6. Step 6: Final answer
    x = 54,009.08

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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.