Home / 88,674.60-132,840.38-74,272.08

Finding the Fourth Proportional to 88,674.60, 132,840.38 and 74,272.08

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Solution

The fourth proportional to 88,674.60, 132,840.38 and 74,272.08 is: 111,264.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,674.60 : 132,840.38 = 74,272.08 : x
  2. Step 2: Convert to fraction form
    88,674.60/132,840.38 = 74,272.08/x
  3. Step 3: Cross multiply
    88,674.60x = 132,840.38 × 74,272.08
  4. Step 4: Simplify right side
    88,674.60x = 9,866,331,330.59
  5. Step 5: Solve for x
    x = 9,866,331,330.59/88,674.60
  6. Step 6: Final answer
    x = 111,264.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.