Home / 55,901.08-77,136.47-37,791.20

Finding the Fourth Proportional to 55,901.08, 77,136.47 and 37,791.20

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Solution

The fourth proportional to 55,901.08, 77,136.47 and 37,791.20 is: 52,147.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,901.08 : 77,136.47 = 37,791.20 : x
  2. Step 2: Convert to fraction form
    55,901.08/77,136.47 = 37,791.20/x
  3. Step 3: Cross multiply
    55,901.08x = 77,136.47 × 37,791.20
  4. Step 4: Simplify right side
    55,901.08x = 2,915,079,765.06
  5. Step 5: Solve for x
    x = 2,915,079,765.06/55,901.08
  6. Step 6: Final answer
    x = 52,147.11

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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.