Home / 65,606.12-98,332.22-28,186.44

Finding the Fourth Proportional to 65,606.12, 98,332.22 and 28,186.44

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Solution

The fourth proportional to 65,606.12, 98,332.22 and 28,186.44 is: 42,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,606.12 : 98,332.22 = 28,186.44 : x
  2. Step 2: Convert to fraction form
    65,606.12/98,332.22 = 28,186.44/x
  3. Step 3: Cross multiply
    65,606.12x = 98,332.22 × 28,186.44
  4. Step 4: Simplify right side
    65,606.12x = 2,771,635,219.10
  5. Step 5: Solve for x
    x = 2,771,635,219.10/65,606.12
  6. Step 6: Final answer
    x = 42,246.60

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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.