Home / 103,625.92-143,012.10-58,301.20

Finding the Fourth Proportional to 103,625.92, 143,012.10 and 58,301.20

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Solution

The fourth proportional to 103,625.92, 143,012.10 and 58,301.20 is: 80,460.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,625.92 : 143,012.10 = 58,301.20 : x
  2. Step 2: Convert to fraction form
    103,625.92/143,012.10 = 58,301.20/x
  3. Step 3: Cross multiply
    103,625.92x = 143,012.10 × 58,301.20
  4. Step 4: Simplify right side
    103,625.92x = 8,337,777,044.52
  5. Step 5: Solve for x
    x = 8,337,777,044.52/103,625.92
  6. Step 6: Final answer
    x = 80,460.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.