Home / 84,577.20-126,606.60-49,412.40

Finding the Fourth Proportional to 84,577.20, 126,606.60 and 49,412.40

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Solution

The fourth proportional to 84,577.20, 126,606.60 and 49,412.40 is: 73,967.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,577.20 : 126,606.60 = 49,412.40 : x
  2. Step 2: Convert to fraction form
    84,577.20/126,606.60 = 49,412.40/x
  3. Step 3: Cross multiply
    84,577.20x = 126,606.60 × 49,412.40
  4. Step 4: Simplify right side
    84,577.20x = 6,255,935,961.84
  5. Step 5: Solve for x
    x = 6,255,935,961.84/84,577.20
  6. Step 6: Final answer
    x = 73,967.17

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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.