Home / 113,817.78-157,077.23-62,840.32

Finding the Fourth Proportional to 113,817.78, 157,077.23 and 62,840.32

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Solution

The fourth proportional to 113,817.78, 157,077.23 and 62,840.32 is: 86,724.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,817.78 : 157,077.23 = 62,840.32 : x
  2. Step 2: Convert to fraction form
    113,817.78/157,077.23 = 62,840.32/x
  3. Step 3: Cross multiply
    113,817.78x = 157,077.23 × 62,840.32
  4. Step 4: Simplify right side
    113,817.78x = 9,870,782,691.02
  5. Step 5: Solve for x
    x = 9,870,782,691.02/113,817.78
  6. Step 6: Final answer
    x = 86,724.44

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1.5x scale

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.