Home / 109,891.08-151,652.99-62,143.47

Finding the Fourth Proportional to 109,891.08, 151,652.99 and 62,143.47

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Solution

The fourth proportional to 109,891.08, 151,652.99 and 62,143.47 is: 85,759.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,891.08 : 151,652.99 = 62,143.47 : x
  2. Step 2: Convert to fraction form
    109,891.08/151,652.99 = 62,143.47/x
  3. Step 3: Cross multiply
    109,891.08x = 151,652.99 × 62,143.47
  4. Step 4: Simplify right side
    109,891.08x = 9,424,243,189.83
  5. Step 5: Solve for x
    x = 9,424,243,189.83/109,891.08
  6. Step 6: Final answer
    x = 85,759.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.