Home / 106,549.16-146,954.76-68,312.36

Finding the Fourth Proportional to 106,549.16, 146,954.76 and 68,312.36

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Solution

The fourth proportional to 106,549.16, 146,954.76 and 68,312.36 is: 94,217.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,549.16 : 146,954.76 = 68,312.36 : x
  2. Step 2: Convert to fraction form
    106,549.16/146,954.76 = 68,312.36/x
  3. Step 3: Cross multiply
    106,549.16x = 146,954.76 × 68,312.36
  4. Step 4: Simplify right side
    106,549.16x = 10,038,826,468.83
  5. Step 5: Solve for x
    x = 10,038,826,468.83/106,549.16
  6. Step 6: Final answer
    x = 94,217.79

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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.