Home / 64,047.60-88,344.45-38,897.10

Finding the Fourth Proportional to 64,047.60, 88,344.45 and 38,897.10

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Solution

The fourth proportional to 64,047.60, 88,344.45 and 38,897.10 is: 53,652.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,047.60 : 88,344.45 = 38,897.10 : x
  2. Step 2: Convert to fraction form
    64,047.60/88,344.45 = 38,897.10/x
  3. Step 3: Cross multiply
    64,047.60x = 88,344.45 × 38,897.10
  4. Step 4: Simplify right side
    64,047.60x = 3,436,342,906.10
  5. Step 5: Solve for x
    x = 3,436,342,906.10/64,047.60
  6. Step 6: Final answer
    x = 53,652.95

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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.