Home / 98,055.90-147,034.44-45,502.29

Finding the Fourth Proportional to 98,055.90, 147,034.44 and 45,502.29

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Solution

The fourth proportional to 98,055.90, 147,034.44 and 45,502.29 is: 68,230.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,055.90 : 147,034.44 = 45,502.29 : x
  2. Step 2: Convert to fraction form
    98,055.90/147,034.44 = 45,502.29/x
  3. Step 3: Cross multiply
    98,055.90x = 147,034.44 × 45,502.29
  4. Step 4: Simplify right side
    98,055.90x = 6,690,403,728.87
  5. Step 5: Solve for x
    x = 6,690,403,728.87/98,055.90
  6. Step 6: Final answer
    x = 68,230.51

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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.