Home / 90,259.20-124,562.30-49,977.41

Finding the Fourth Proportional to 90,259.20, 124,562.30 and 49,977.41

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Solution

The fourth proportional to 90,259.20, 124,562.30 and 49,977.41 is: 68,971.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,259.20 : 124,562.30 = 49,977.41 : x
  2. Step 2: Convert to fraction form
    90,259.20/124,562.30 = 49,977.41/x
  3. Step 3: Cross multiply
    90,259.20x = 124,562.30 × 49,977.41
  4. Step 4: Simplify right side
    90,259.20x = 6,225,300,264.94
  5. Step 5: Solve for x
    x = 6,225,300,264.94/90,259.20
  6. Step 6: Final answer
    x = 68,971.37

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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.