Home / 106,521.98-147,001.10-58,777.02

Finding the Fourth Proportional to 106,521.98, 147,001.10 and 58,777.02

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Solution

The fourth proportional to 106,521.98, 147,001.10 and 58,777.02 is: 81,112.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,521.98 : 147,001.10 = 58,777.02 : x
  2. Step 2: Convert to fraction form
    106,521.98/147,001.10 = 58,777.02/x
  3. Step 3: Cross multiply
    106,521.98x = 147,001.10 × 58,777.02
  4. Step 4: Simplify right side
    106,521.98x = 8,640,286,300.84
  5. Step 5: Solve for x
    x = 8,640,286,300.84/106,521.98
  6. Step 6: Final answer
    x = 81,112.71

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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.