Home / 99,680.06-149,585.52-47,094.86

Finding the Fourth Proportional to 99,680.06, 149,585.52 and 47,094.86

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Solution

The fourth proportional to 99,680.06, 149,585.52 and 47,094.86 is: 70,673.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,680.06 : 149,585.52 = 47,094.86 : x
  2. Step 2: Convert to fraction form
    99,680.06/149,585.52 = 47,094.86/x
  3. Step 3: Cross multiply
    99,680.06x = 149,585.52 × 47,094.86
  4. Step 4: Simplify right side
    99,680.06x = 7,044,709,122.43
  5. Step 5: Solve for x
    x = 7,044,709,122.43/99,680.06
  6. Step 6: Final answer
    x = 70,673.20

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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.