Home / 47,943.15-66,158.54-26,431.78

Finding the Fourth Proportional to 47,943.15, 66,158.54 and 26,431.78

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Solution

The fourth proportional to 47,943.15, 66,158.54 and 26,431.78 is: 36,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,943.15 : 66,158.54 = 26,431.78 : x
  2. Step 2: Convert to fraction form
    47,943.15/66,158.54 = 26,431.78/x
  3. Step 3: Cross multiply
    47,943.15x = 66,158.54 × 26,431.78
  4. Step 4: Simplify right side
    47,943.15x = 1,748,687,875.08
  5. Step 5: Solve for x
    x = 1,748,687,875.08/47,943.15
  6. Step 6: Final answer
    x = 36,474.20

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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.