Home / 102,008.03-153,062.33-45,887.85

Finding the Fourth Proportional to 102,008.03, 153,062.33 and 45,887.85

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Solution

The fourth proportional to 102,008.03, 153,062.33 and 45,887.85 is: 68,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,008.03 : 153,062.33 = 45,887.85 : x
  2. Step 2: Convert to fraction form
    102,008.03/153,062.33 = 45,887.85/x
  3. Step 3: Cross multiply
    102,008.03x = 153,062.33 × 45,887.85
  4. Step 4: Simplify right side
    102,008.03x = 7,023,701,010.25
  5. Step 5: Solve for x
    x = 7,023,701,010.25/102,008.03
  6. Step 6: Final answer
    x = 68,854.40

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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.