Home / 113,818.20-157,077.82-62,840.76

Finding the Fourth Proportional to 113,818.20, 157,077.82 and 62,840.76

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Solution

The fourth proportional to 113,818.20, 157,077.82 and 62,840.76 is: 86,725.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,818.20 : 157,077.82 = 62,840.76 : x
  2. Step 2: Convert to fraction form
    113,818.20/157,077.82 = 62,840.76/x
  3. Step 3: Cross multiply
    113,818.20x = 157,077.82 × 62,840.76
  4. Step 4: Simplify right side
    113,818.20x = 9,870,889,587.94
  5. Step 5: Solve for x
    x = 9,870,889,587.94/113,818.20
  6. Step 6: Final answer
    x = 86,725.05

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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.