Home / 91,790.28-137,686.02-25,237.44

Finding the Fourth Proportional to 91,790.28, 137,686.02 and 25,237.44

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Solution

The fourth proportional to 91,790.28, 137,686.02 and 25,237.44 is: 37,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,790.28 : 137,686.02 = 25,237.44 : x
  2. Step 2: Convert to fraction form
    91,790.28/137,686.02 = 25,237.44/x
  3. Step 3: Cross multiply
    91,790.28x = 137,686.02 × 25,237.44
  4. Step 4: Simplify right side
    91,790.28x = 3,474,841,980.16
  5. Step 5: Solve for x
    x = 3,474,841,980.16/91,790.28
  6. Step 6: Final answer
    x = 37,856.32

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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.