Home / 88,655.70-132,872.73-56,981.46

Finding the Fourth Proportional to 88,655.70, 132,872.73 and 56,981.46

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Solution

The fourth proportional to 88,655.70, 132,872.73 and 56,981.46 is: 85,400.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,655.70 : 132,872.73 = 56,981.46 : x
  2. Step 2: Convert to fraction form
    88,655.70/132,872.73 = 56,981.46/x
  3. Step 3: Cross multiply
    88,655.70x = 132,872.73 × 56,981.46
  4. Step 4: Simplify right side
    88,655.70x = 7,571,282,149.59
  5. Step 5: Solve for x
    x = 7,571,282,149.59/88,655.70
  6. Step 6: Final answer
    x = 85,400.96

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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.