Home / 99,527.20-149,287.60-32,970.40

Finding the Fourth Proportional to 99,527.20, 149,287.60 and 32,970.40

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Solution

The fourth proportional to 99,527.20, 149,287.60 and 32,970.40 is: 49,454.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,527.20 : 149,287.60 = 32,970.40 : x
  2. Step 2: Convert to fraction form
    99,527.20/149,287.60 = 32,970.40/x
  3. Step 3: Cross multiply
    99,527.20x = 149,287.60 × 32,970.40
  4. Step 4: Simplify right side
    99,527.20x = 4,922,071,887.04
  5. Step 5: Solve for x
    x = 4,922,071,887.04/99,527.20
  6. Step 6: Final answer
    x = 49,454.54

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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.