Home / 57,035.78-78,689.88-34,366.24

Finding the Fourth Proportional to 57,035.78, 78,689.88 and 34,366.24

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Solution

The fourth proportional to 57,035.78, 78,689.88 and 34,366.24 is: 47,413.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,035.78 : 78,689.88 = 34,366.24 : x
  2. Step 2: Convert to fraction form
    57,035.78/78,689.88 = 34,366.24/x
  3. Step 3: Cross multiply
    57,035.78x = 78,689.88 × 34,366.24
  4. Step 4: Simplify right side
    57,035.78x = 2,704,275,301.65
  5. Step 5: Solve for x
    x = 2,704,275,301.65/57,035.78
  6. Step 6: Final answer
    x = 47,413.66

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1.5x scale

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.