Home / 88,187.64-132,143.22-74,985.72

Finding the Fourth Proportional to 88,187.64, 132,143.22 and 74,985.72

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Solution

The fourth proportional to 88,187.64, 132,143.22 and 74,985.72 is: 112,361.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,187.64 : 132,143.22 = 74,985.72 : x
  2. Step 2: Convert to fraction form
    88,187.64/132,143.22 = 74,985.72/x
  3. Step 3: Cross multiply
    88,187.64x = 132,143.22 × 74,985.72
  4. Step 4: Simplify right side
    88,187.64x = 9,908,854,494.82
  5. Step 5: Solve for x
    x = 9,908,854,494.82/88,187.64
  6. Step 6: Final answer
    x = 112,361.03

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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.