Home / 99,373.20-149,205.60-60,007.20

Finding the Fourth Proportional to 99,373.20, 149,205.60 and 60,007.20

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Solution

The fourth proportional to 99,373.20, 149,205.60 and 60,007.20 is: 90,098.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,373.20 : 149,205.60 = 60,007.20 : x
  2. Step 2: Convert to fraction form
    99,373.20/149,205.60 = 60,007.20/x
  3. Step 3: Cross multiply
    99,373.20x = 149,205.60 × 60,007.20
  4. Step 4: Simplify right side
    99,373.20x = 8,953,410,280.32
  5. Step 5: Solve for x
    x = 8,953,410,280.32/99,373.20
  6. Step 6: Final answer
    x = 90,098.84

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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.