Home / 88,125.10-132,187.65-70,629.10

Finding the Fourth Proportional to 88,125.10, 132,187.65 and 70,629.10

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Solution

The fourth proportional to 88,125.10, 132,187.65 and 70,629.10 is: 105,943.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,125.10 : 132,187.65 = 70,629.10 : x
  2. Step 2: Convert to fraction form
    88,125.10/132,187.65 = 70,629.10/x
  3. Step 3: Cross multiply
    88,125.10x = 132,187.65 × 70,629.10
  4. Step 4: Simplify right side
    88,125.10x = 9,336,294,750.62
  5. Step 5: Solve for x
    x = 9,336,294,750.62/88,125.10
  6. Step 6: Final answer
    x = 105,943.65

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1.5x scale

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.