Home / 88,137.30-132,033.70-70,404.16

Finding the Fourth Proportional to 88,137.30, 132,033.70 and 70,404.16

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Solution

The fourth proportional to 88,137.30, 132,033.70 and 70,404.16 is: 105,468.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,137.30 : 132,033.70 = 70,404.16 : x
  2. Step 2: Convert to fraction form
    88,137.30/132,033.70 = 70,404.16/x
  3. Step 3: Cross multiply
    88,137.30x = 132,033.70 × 70,404.16
  4. Step 4: Simplify right side
    88,137.30x = 9,295,721,740.19
  5. Step 5: Solve for x
    x = 9,295,721,740.19/88,137.30
  6. Step 6: Final answer
    x = 105,468.65

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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.