Home / 65,820.96-98,501.76-53,836.20

Finding the Fourth Proportional to 65,820.96, 98,501.76 and 53,836.20

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Solution

The fourth proportional to 65,820.96, 98,501.76 and 53,836.20 is: 80,566.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,820.96 : 98,501.76 = 53,836.20 : x
  2. Step 2: Convert to fraction form
    65,820.96/98,501.76 = 53,836.20/x
  3. Step 3: Cross multiply
    65,820.96x = 98,501.76 × 53,836.20
  4. Step 4: Simplify right side
    65,820.96x = 5,302,960,451.71
  5. Step 5: Solve for x
    x = 5,302,960,451.71/65,820.96
  6. Step 6: Final answer
    x = 80,566.44

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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.