Home / 129,114.10-193,663.63-58,018.38

Finding the Fourth Proportional to 129,114.10, 193,663.63 and 58,018.38

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Solution

The fourth proportional to 129,114.10, 193,663.63 and 58,018.38 is: 87,024.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,114.10 : 193,663.63 = 58,018.38 : x
  2. Step 2: Convert to fraction form
    129,114.10/193,663.63 = 58,018.38/x
  3. Step 3: Cross multiply
    129,114.10x = 193,663.63 × 58,018.38
  4. Step 4: Simplify right side
    129,114.10x = 11,236,050,077.52
  5. Step 5: Solve for x
    x = 11,236,050,077.52/129,114.10
  6. Step 6: Final answer
    x = 87,024.19

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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.