Home / 52,452.11-78,746.76-31,143.72

Finding the Fourth Proportional to 52,452.11, 78,746.76 and 31,143.72

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Solution

The fourth proportional to 52,452.11, 78,746.76 and 31,143.72 is: 46,756.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,452.11 : 78,746.76 = 31,143.72 : x
  2. Step 2: Convert to fraction form
    52,452.11/78,746.76 = 31,143.72/x
  3. Step 3: Cross multiply
    52,452.11x = 78,746.76 × 31,143.72
  4. Step 4: Simplify right side
    52,452.11x = 2,452,466,888.63
  5. Step 5: Solve for x
    x = 2,452,466,888.63/52,452.11
  6. Step 6: Final answer
    x = 46,756.31

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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.