Home / 52,255.79-72,113.52-28,382.93

Finding the Fourth Proportional to 52,255.79, 72,113.52 and 28,382.93

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Solution

The fourth proportional to 52,255.79, 72,113.52 and 28,382.93 is: 39,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,255.79 : 72,113.52 = 28,382.93 : x
  2. Step 2: Convert to fraction form
    52,255.79/72,113.52 = 28,382.93/x
  3. Step 3: Cross multiply
    52,255.79x = 72,113.52 × 28,382.93
  4. Step 4: Simplify right side
    52,255.79x = 2,046,792,629.65
  5. Step 5: Solve for x
    x = 2,046,792,629.65/52,255.79
  6. Step 6: Final answer
    x = 39,168.73

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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.