Home / 91,304.77-136,988.29-49,189.17

Finding the Fourth Proportional to 91,304.77, 136,988.29 and 49,189.17

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Solution

The fourth proportional to 91,304.77, 136,988.29 and 49,189.17 is: 73,800.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,304.77 : 136,988.29 = 49,189.17 : x
  2. Step 2: Convert to fraction form
    91,304.77/136,988.29 = 49,189.17/x
  3. Step 3: Cross multiply
    91,304.77x = 136,988.29 × 49,189.17
  4. Step 4: Simplify right side
    91,304.77x = 6,738,340,038.87
  5. Step 5: Solve for x
    x = 6,738,340,038.87/91,304.77
  6. Step 6: Final answer
    x = 73,800.53

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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.