Home / 47,670.60-65,785.25-26,160.72

Finding the Fourth Proportional to 47,670.60, 65,785.25 and 26,160.72

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Solution

The fourth proportional to 47,670.60, 65,785.25 and 26,160.72 is: 36,101.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,670.60 : 65,785.25 = 26,160.72 : x
  2. Step 2: Convert to fraction form
    47,670.60/65,785.25 = 26,160.72/x
  3. Step 3: Cross multiply
    47,670.60x = 65,785.25 × 26,160.72
  4. Step 4: Simplify right side
    47,670.60x = 1,720,989,505.38
  5. Step 5: Solve for x
    x = 1,720,989,505.38/47,670.60
  6. Step 6: Final answer
    x = 36,101.70

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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.