Home / 88,040.20-132,060.30-53,019.40

Finding the Fourth Proportional to 88,040.20, 132,060.30 and 53,019.40

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Solution

The fourth proportional to 88,040.20, 132,060.30 and 53,019.40 is: 79,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,040.20 : 132,060.30 = 53,019.40 : x
  2. Step 2: Convert to fraction form
    88,040.20/132,060.30 = 53,019.40/x
  3. Step 3: Cross multiply
    88,040.20x = 132,060.30 × 53,019.40
  4. Step 4: Simplify right side
    88,040.20x = 7,001,757,869.82
  5. Step 5: Solve for x
    x = 7,001,757,869.82/88,040.20
  6. Step 6: Final answer
    x = 79,529.10

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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.