Home / 76,444.20-114,666.30-44,821.80

Finding the Fourth Proportional to 76,444.20, 114,666.30 and 44,821.80

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Solution

The fourth proportional to 76,444.20, 114,666.30 and 44,821.80 is: 67,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,444.20 : 114,666.30 = 44,821.80 : x
  2. Step 2: Convert to fraction form
    76,444.20/114,666.30 = 44,821.80/x
  3. Step 3: Cross multiply
    76,444.20x = 114,666.30 × 44,821.80
  4. Step 4: Simplify right side
    76,444.20x = 5,139,549,965.34
  5. Step 5: Solve for x
    x = 5,139,549,965.34/76,444.20
  6. Step 6: Final answer
    x = 67,232.70

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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.