Home / 88,363.08-132,329.16-67,280.40

Finding the Fourth Proportional to 88,363.08, 132,329.16 and 67,280.40

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Solution

The fourth proportional to 88,363.08, 132,329.16 and 67,280.40 is: 100,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,363.08 : 132,329.16 = 67,280.40 : x
  2. Step 2: Convert to fraction form
    88,363.08/132,329.16 = 67,280.40/x
  3. Step 3: Cross multiply
    88,363.08x = 132,329.16 × 67,280.40
  4. Step 4: Simplify right side
    88,363.08x = 8,903,158,816.46
  5. Step 5: Solve for x
    x = 8,903,158,816.46/88,363.08
  6. Step 6: Final answer
    x = 100,756.55

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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.