Home / 105,805.17-146,011.05-58,061.52

Finding the Fourth Proportional to 105,805.17, 146,011.05 and 58,061.52

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Solution

The fourth proportional to 105,805.17, 146,011.05 and 58,061.52 is: 80,124.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,805.17 : 146,011.05 = 58,061.52 : x
  2. Step 2: Convert to fraction form
    105,805.17/146,011.05 = 58,061.52/x
  3. Step 3: Cross multiply
    105,805.17x = 146,011.05 × 58,061.52
  4. Step 4: Simplify right side
    105,805.17x = 8,477,623,499.80
  5. Step 5: Solve for x
    x = 8,477,623,499.80/105,805.17
  6. Step 6: Final answer
    x = 80,124.85

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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.