Home / 82,994.40-124,477.20-30,376.80

Finding the Fourth Proportional to 82,994.40, 124,477.20 and 30,376.80

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Solution

The fourth proportional to 82,994.40, 124,477.20 and 30,376.80 is: 45,559.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,994.40 : 124,477.20 = 30,376.80 : x
  2. Step 2: Convert to fraction form
    82,994.40/124,477.20 = 30,376.80/x
  3. Step 3: Cross multiply
    82,994.40x = 124,477.20 × 30,376.80
  4. Step 4: Simplify right side
    82,994.40x = 3,781,219,008.96
  5. Step 5: Solve for x
    x = 3,781,219,008.96/82,994.40
  6. Step 6: Final answer
    x = 45,559.93

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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.