Home / 75,825.76-113,646.40-53,645.53

Finding the Fourth Proportional to 75,825.76, 113,646.40 and 53,645.53

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Solution

The fourth proportional to 75,825.76, 113,646.40 and 53,645.53 is: 80,403.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,825.76 : 113,646.40 = 53,645.53 : x
  2. Step 2: Convert to fraction form
    75,825.76/113,646.40 = 53,645.53/x
  3. Step 3: Cross multiply
    75,825.76x = 113,646.40 × 53,645.53
  4. Step 4: Simplify right side
    75,825.76x = 6,096,621,360.59
  5. Step 5: Solve for x
    x = 6,096,621,360.59/75,825.76
  6. Step 6: Final answer
    x = 80,403.04

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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.