Home / 91,013.04-136,581.06-31,849.22

Finding the Fourth Proportional to 91,013.04, 136,581.06 and 31,849.22

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Solution

The fourth proportional to 91,013.04, 136,581.06 and 31,849.22 is: 47,795.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,013.04 : 136,581.06 = 31,849.22 : x
  2. Step 2: Convert to fraction form
    91,013.04/136,581.06 = 31,849.22/x
  3. Step 3: Cross multiply
    91,013.04x = 136,581.06 × 31,849.22
  4. Step 4: Simplify right side
    91,013.04x = 4,350,000,227.77
  5. Step 5: Solve for x
    x = 4,350,000,227.77/91,013.04
  6. Step 6: Final answer
    x = 47,795.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.