Home / 52,695.42-72,718.14-28,821.59

Finding the Fourth Proportional to 52,695.42, 72,718.14 and 28,821.59

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Solution

The fourth proportional to 52,695.42, 72,718.14 and 28,821.59 is: 39,772.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,695.42 : 72,718.14 = 28,821.59 : x
  2. Step 2: Convert to fraction form
    52,695.42/72,718.14 = 28,821.59/x
  3. Step 3: Cross multiply
    52,695.42x = 72,718.14 × 28,821.59
  4. Step 4: Simplify right side
    52,695.42x = 2,095,852,053.05
  5. Step 5: Solve for x
    x = 2,095,852,053.05/52,695.42
  6. Step 6: Final answer
    x = 39,772.95

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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.