Home / 89,470.08-134,128.32-49,994.88

Finding the Fourth Proportional to 89,470.08, 134,128.32 and 49,994.88

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Solution

The fourth proportional to 89,470.08, 134,128.32 and 49,994.88 is: 74,949.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,470.08 : 134,128.32 = 49,994.88 : x
  2. Step 2: Convert to fraction form
    89,470.08/134,128.32 = 49,994.88/x
  3. Step 3: Cross multiply
    89,470.08x = 134,128.32 × 49,994.88
  4. Step 4: Simplify right side
    89,470.08x = 6,705,729,263.00
  5. Step 5: Solve for x
    x = 6,705,729,263.00/89,470.08
  6. Step 6: Final answer
    x = 74,949.41

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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.