Home / 113,818.16-157,077.74-62,840.70

Finding the Fourth Proportional to 113,818.16, 157,077.74 and 62,840.70

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Solution

The fourth proportional to 113,818.16, 157,077.74 and 62,840.70 is: 86,724.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,818.16 : 157,077.74 = 62,840.70 : x
  2. Step 2: Convert to fraction form
    113,818.16/157,077.74 = 62,840.70/x
  3. Step 3: Cross multiply
    113,818.16x = 157,077.74 × 62,840.70
  4. Step 4: Simplify right side
    113,818.16x = 9,870,875,293.12
  5. Step 5: Solve for x
    x = 9,870,875,293.12/113,818.16
  6. Step 6: Final answer
    x = 86,724.96

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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.