Home / 88,572.09-132,271.05-77,841.21

Finding the Fourth Proportional to 88,572.09, 132,271.05 and 77,841.21

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Solution

The fourth proportional to 88,572.09, 132,271.05 and 77,841.21 is: 116,245.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,572.09 : 132,271.05 = 77,841.21 : x
  2. Step 2: Convert to fraction form
    88,572.09/132,271.05 = 77,841.21/x
  3. Step 3: Cross multiply
    88,572.09x = 132,271.05 × 77,841.21
  4. Step 4: Simplify right side
    88,572.09x = 10,296,138,579.97
  5. Step 5: Solve for x
    x = 10,296,138,579.97/88,572.09
  6. Step 6: Final answer
    x = 116,245.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.