Home / 91,862.25-137,739.73-35,636.65

Finding the Fourth Proportional to 91,862.25, 137,739.73 and 35,636.65

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Solution

The fourth proportional to 91,862.25, 137,739.73 and 35,636.65 is: 53,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,862.25 : 137,739.73 = 35,636.65 : x
  2. Step 2: Convert to fraction form
    91,862.25/137,739.73 = 35,636.65/x
  3. Step 3: Cross multiply
    91,862.25x = 137,739.73 × 35,636.65
  4. Step 4: Simplify right side
    91,862.25x = 4,908,582,549.10
  5. Step 5: Solve for x
    x = 4,908,582,549.10/91,862.25
  6. Step 6: Final answer
    x = 53,434.16

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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.