Home / 88,307.40-132,158.70-53,272.20

Finding the Fourth Proportional to 88,307.40, 132,158.70 and 53,272.20

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Solution

The fourth proportional to 88,307.40, 132,158.70 and 53,272.20 is: 79,725.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,307.40 : 132,158.70 = 53,272.20 : x
  2. Step 2: Convert to fraction form
    88,307.40/132,158.70 = 53,272.20/x
  3. Step 3: Cross multiply
    88,307.40x = 132,158.70 × 53,272.20
  4. Step 4: Simplify right side
    88,307.40x = 7,040,384,698.14
  5. Step 5: Solve for x
    x = 7,040,384,698.14/88,307.40
  6. Step 6: Final answer
    x = 79,725.87

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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.