Home / 129,026.65-193,603.38-57,999.47

Finding the Fourth Proportional to 129,026.65, 193,603.38 and 57,999.47

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Solution

The fourth proportional to 129,026.65, 193,603.38 and 57,999.47 is: 87,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,026.65 : 193,603.38 = 57,999.47 : x
  2. Step 2: Convert to fraction form
    129,026.65/193,603.38 = 57,999.47/x
  3. Step 3: Cross multiply
    129,026.65x = 193,603.38 × 57,999.47
  4. Step 4: Simplify right side
    129,026.65x = 11,228,892,462.19
  5. Step 5: Solve for x
    x = 11,228,892,462.19/129,026.65
  6. Step 6: Final answer
    x = 87,027.70

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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.