Home / 68,281.40-102,454.61-30,852.92

Finding the Fourth Proportional to 68,281.40, 102,454.61 and 30,852.92

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Solution

The fourth proportional to 68,281.40, 102,454.61 and 30,852.92 is: 46,294.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,281.40 : 102,454.61 = 30,852.92 : x
  2. Step 2: Convert to fraction form
    68,281.40/102,454.61 = 30,852.92/x
  3. Step 3: Cross multiply
    68,281.40x = 102,454.61 × 30,852.92
  4. Step 4: Simplify right side
    68,281.40x = 3,161,023,987.83
  5. Step 5: Solve for x
    x = 3,161,023,987.83/68,281.40
  6. Step 6: Final answer
    x = 46,294.07

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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.