Home / 75,047.04-112,445.62-52,813.76

Finding the Fourth Proportional to 75,047.04, 112,445.62 and 52,813.76

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Solution

The fourth proportional to 75,047.04, 112,445.62 and 52,813.76 is: 79,132.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,047.04 : 112,445.62 = 52,813.76 : x
  2. Step 2: Convert to fraction form
    75,047.04/112,445.62 = 52,813.76/x
  3. Step 3: Cross multiply
    75,047.04x = 112,445.62 × 52,813.76
  4. Step 4: Simplify right side
    75,047.04x = 5,938,675,293.47
  5. Step 5: Solve for x
    x = 5,938,675,293.47/75,047.04
  6. Step 6: Final answer
    x = 79,132.71

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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.