Home / 105,916.52-146,165.95-58,169.87

Finding the Fourth Proportional to 105,916.52, 146,165.95 and 58,169.87

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Solution

The fourth proportional to 105,916.52, 146,165.95 and 58,169.87 is: 80,275.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,916.52 : 146,165.95 = 58,169.87 : x
  2. Step 2: Convert to fraction form
    105,916.52/146,165.95 = 58,169.87/x
  3. Step 3: Cross multiply
    105,916.52x = 146,165.95 × 58,169.87
  4. Step 4: Simplify right side
    105,916.52x = 8,502,453,981.79
  5. Step 5: Solve for x
    x = 8,502,453,981.79/105,916.52
  6. Step 6: Final answer
    x = 80,275.05

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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.