Home / 66,432.08-91,677.48-36,217.64

Finding the Fourth Proportional to 66,432.08, 91,677.48 and 36,217.64

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Solution

The fourth proportional to 66,432.08, 91,677.48 and 36,217.64 is: 49,981.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432.08 : 91,677.48 = 36,217.64 : x
  2. Step 2: Convert to fraction form
    66,432.08/91,677.48 = 36,217.64/x
  3. Step 3: Cross multiply
    66,432.08x = 91,677.48 × 36,217.64
  4. Step 4: Simplify right side
    66,432.08x = 3,320,341,966.75
  5. Step 5: Solve for x
    x = 3,320,341,966.75/66,432.08
  6. Step 6: Final answer
    x = 49,981.00

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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.