Home / 86,996.80-120,054.24-48,756.30

Finding the Fourth Proportional to 86,996.80, 120,054.24 and 48,756.30

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Solution

The fourth proportional to 86,996.80, 120,054.24 and 48,756.30 is: 67,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,996.80 : 120,054.24 = 48,756.30 : x
  2. Step 2: Convert to fraction form
    86,996.80/120,054.24 = 48,756.30/x
  3. Step 3: Cross multiply
    86,996.80x = 120,054.24 × 48,756.30
  4. Step 4: Simplify right side
    86,996.80x = 5,853,400,541.71
  5. Step 5: Solve for x
    x = 5,853,400,541.71/86,996.80
  6. Step 6: Final answer
    x = 67,282.94

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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.