Home / 106,983.72-147,637.53-59,237.06

Finding the Fourth Proportional to 106,983.72, 147,637.53 and 59,237.06

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Solution

The fourth proportional to 106,983.72, 147,637.53 and 59,237.06 is: 81,747.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,983.72 : 147,637.53 = 59,237.06 : x
  2. Step 2: Convert to fraction form
    106,983.72/147,637.53 = 59,237.06/x
  3. Step 3: Cross multiply
    106,983.72x = 147,637.53 × 59,237.06
  4. Step 4: Simplify right side
    106,983.72x = 8,745,612,484.67
  5. Step 5: Solve for x
    x = 8,745,612,484.67/106,983.72
  6. Step 6: Final answer
    x = 81,747.13

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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.