Home / 65,775.46-98,688.05-39,498.52

Finding the Fourth Proportional to 65,775.46, 98,688.05 and 39,498.52

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Solution

The fourth proportional to 65,775.46, 98,688.05 and 39,498.52 is: 59,262.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,775.46 : 98,688.05 = 39,498.52 : x
  2. Step 2: Convert to fraction form
    65,775.46/98,688.05 = 39,498.52/x
  3. Step 3: Cross multiply
    65,775.46x = 98,688.05 × 39,498.52
  4. Step 4: Simplify right side
    65,775.46x = 3,898,031,719.19
  5. Step 5: Solve for x
    x = 3,898,031,719.19/65,775.46
  6. Step 6: Final answer
    x = 59,262.71

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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.