Home / 91,275.99-136,965.53-49,155.18

Finding the Fourth Proportional to 91,275.99, 136,965.53 and 49,155.18

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Solution

The fourth proportional to 91,275.99, 136,965.53 and 49,155.18 is: 73,760.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,275.99 : 136,965.53 = 49,155.18 : x
  2. Step 2: Convert to fraction form
    91,275.99/136,965.53 = 49,155.18/x
  3. Step 3: Cross multiply
    91,275.99x = 136,965.53 × 49,155.18
  4. Step 4: Simplify right side
    91,275.99x = 6,732,565,280.95
  5. Step 5: Solve for x
    x = 6,732,565,280.95/91,275.99
  6. Step 6: Final answer
    x = 73,760.53

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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.