Home / 52,287.03-72,156.78-28,414.08

Finding the Fourth Proportional to 52,287.03, 72,156.78 and 28,414.08

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Solution

The fourth proportional to 52,287.03, 72,156.78 and 28,414.08 is: 39,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,287.03 : 72,156.78 = 28,414.08 : x
  2. Step 2: Convert to fraction form
    52,287.03/72,156.78 = 28,414.08/x
  3. Step 3: Cross multiply
    52,287.03x = 72,156.78 × 28,414.08
  4. Step 4: Simplify right side
    52,287.03x = 2,050,268,519.46
  5. Step 5: Solve for x
    x = 2,050,268,519.46/52,287.03
  6. Step 6: Final answer
    x = 39,211.80

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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.