Home / 106,521.46-146,999.51-58,774.81

Finding the Fourth Proportional to 106,521.46, 146,999.51 and 58,774.81

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Solution

The fourth proportional to 106,521.46, 146,999.51 and 58,774.81 is: 81,109.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,521.46 : 146,999.51 = 58,774.81 : x
  2. Step 2: Convert to fraction form
    106,521.46/146,999.51 = 58,774.81/x
  3. Step 3: Cross multiply
    106,521.46x = 146,999.51 × 58,774.81
  4. Step 4: Simplify right side
    106,521.46x = 8,639,868,270.34
  5. Step 5: Solve for x
    x = 8,639,868,270.34/106,521.46
  6. Step 6: Final answer
    x = 81,109.18

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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.