Home / 98,550.10-147,861.60-31,992.40

Finding the Fourth Proportional to 98,550.10, 147,861.60 and 31,992.40

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Solution

The fourth proportional to 98,550.10, 147,861.60 and 31,992.40 is: 48,000.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,550.10 : 147,861.60 = 31,992.40 : x
  2. Step 2: Convert to fraction form
    98,550.10/147,861.60 = 31,992.40/x
  3. Step 3: Cross multiply
    98,550.10x = 147,861.60 × 31,992.40
  4. Step 4: Simplify right side
    98,550.10x = 4,730,447,451.84
  5. Step 5: Solve for x
    x = 4,730,447,451.84/98,550.10
  6. Step 6: Final answer
    x = 48,000.43

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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.