Home / 113,818.22-157,077.84-62,840.78

Finding the Fourth Proportional to 113,818.22, 157,077.84 and 62,840.78

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Solution

The fourth proportional to 113,818.22, 157,077.84 and 62,840.78 is: 86,725.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,818.22 : 157,077.84 = 62,840.78 : x
  2. Step 2: Convert to fraction form
    113,818.22/157,077.84 = 62,840.78/x
  3. Step 3: Cross multiply
    113,818.22x = 157,077.84 × 62,840.78
  4. Step 4: Simplify right side
    113,818.22x = 9,870,893,986.32
  5. Step 5: Solve for x
    x = 9,870,893,986.32/113,818.22
  6. Step 6: Final answer
    x = 86,725.08

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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.