Home / 88,657.12-132,810.72-66,495.52

Finding the Fourth Proportional to 88,657.12, 132,810.72 and 66,495.52

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Solution

The fourth proportional to 88,657.12, 132,810.72 and 66,495.52 is: 99,612.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,657.12 : 132,810.72 = 66,495.52 : x
  2. Step 2: Convert to fraction form
    88,657.12/132,810.72 = 66,495.52/x
  3. Step 3: Cross multiply
    88,657.12x = 132,810.72 × 66,495.52
  4. Step 4: Simplify right side
    88,657.12x = 8,831,317,887.97
  5. Step 5: Solve for x
    x = 8,831,317,887.97/88,657.12
  6. Step 6: Final answer
    x = 99,612.05

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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.