Home / 103,849.50-143,312.92-60,854.36

Finding the Fourth Proportional to 103,849.50, 143,312.92 and 60,854.36

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Solution

The fourth proportional to 103,849.50, 143,312.92 and 60,854.36 is: 83,979.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,849.50 : 143,312.92 = 60,854.36 : x
  2. Step 2: Convert to fraction form
    103,849.50/143,312.92 = 60,854.36/x
  3. Step 3: Cross multiply
    103,849.50x = 143,312.92 × 60,854.36
  4. Step 4: Simplify right side
    103,849.50x = 8,721,216,232.48
  5. Step 5: Solve for x
    x = 8,721,216,232.48/103,849.50
  6. Step 6: Final answer
    x = 83,979.38

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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.