Home / 114,739.32-158,330.86-63,753.60

Finding the Fourth Proportional to 114,739.32, 158,330.86 and 63,753.60

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Solution

The fourth proportional to 114,739.32, 158,330.86 and 63,753.60 is: 87,974.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,739.32 : 158,330.86 = 63,753.60 : x
  2. Step 2: Convert to fraction form
    114,739.32/158,330.86 = 63,753.60/x
  3. Step 3: Cross multiply
    114,739.32x = 158,330.86 × 63,753.60
  4. Step 4: Simplify right side
    114,739.32x = 10,094,162,316.10
  5. Step 5: Solve for x
    x = 10,094,162,316.10/114,739.32
  6. Step 6: Final answer
    x = 87,974.74

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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.