Home / 57,132.95-78,806.72-35,875.31

Finding the Fourth Proportional to 57,132.95, 78,806.72 and 35,875.31

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Solution

The fourth proportional to 57,132.95, 78,806.72 and 35,875.31 is: 49,484.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,132.95 : 78,806.72 = 35,875.31 : x
  2. Step 2: Convert to fraction form
    57,132.95/78,806.72 = 35,875.31/x
  3. Step 3: Cross multiply
    57,132.95x = 78,806.72 × 35,875.31
  4. Step 4: Simplify right side
    57,132.95x = 2,827,215,205.74
  5. Step 5: Solve for x
    x = 2,827,215,205.74/57,132.95
  6. Step 6: Final answer
    x = 49,484.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.