Home / 113,818.34-157,084.17-63,527.78

Finding the Fourth Proportional to 113,818.34, 157,084.17 and 63,527.78

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Solution

The fourth proportional to 113,818.34, 157,084.17 and 63,527.78 is: 87,676.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,818.34 : 157,084.17 = 63,527.78 : x
  2. Step 2: Convert to fraction form
    113,818.34/157,084.17 = 63,527.78/x
  3. Step 3: Cross multiply
    113,818.34x = 157,084.17 × 63,527.78
  4. Step 4: Simplify right side
    113,818.34x = 9,979,208,593.24
  5. Step 5: Solve for x
    x = 9,979,208,593.24/113,818.34
  6. Step 6: Final answer
    x = 87,676.63

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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.