Home / 91,277.16-136,947.33-65,185.44

Finding the Fourth Proportional to 91,277.16, 136,947.33 and 65,185.44

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Solution

The fourth proportional to 91,277.16, 136,947.33 and 65,185.44 is: 97,800.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,277.16 : 136,947.33 = 65,185.44 : x
  2. Step 2: Convert to fraction form
    91,277.16/136,947.33 = 65,185.44/x
  3. Step 3: Cross multiply
    91,277.16x = 136,947.33 × 65,185.44
  4. Step 4: Simplify right side
    91,277.16x = 8,926,971,962.88
  5. Step 5: Solve for x
    x = 8,926,971,962.88/91,277.16
  6. Step 6: Final answer
    x = 97,800.72

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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.