Home / 47,381.31-65,385.75-26,160.12

Finding the Fourth Proportional to 47,381.31, 65,385.75 and 26,160.12

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Solution

The fourth proportional to 47,381.31, 65,385.75 and 26,160.12 is: 36,100.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,381.31 : 65,385.75 = 26,160.12 : x
  2. Step 2: Convert to fraction form
    47,381.31/65,385.75 = 26,160.12/x
  3. Step 3: Cross multiply
    47,381.31x = 65,385.75 × 26,160.12
  4. Step 4: Simplify right side
    47,381.31x = 1,710,499,066.29
  5. Step 5: Solve for x
    x = 1,710,499,066.29/47,381.31
  6. Step 6: Final answer
    x = 36,100.71

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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.