Home / 52,685.62-72,706.23-29,715.74

Finding the Fourth Proportional to 52,685.62, 72,706.23 and 29,715.74

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Solution

The fourth proportional to 52,685.62, 72,706.23 and 29,715.74 is: 41,007.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,685.62 : 72,706.23 = 29,715.74 : x
  2. Step 2: Convert to fraction form
    52,685.62/72,706.23 = 29,715.74/x
  3. Step 3: Cross multiply
    52,685.62x = 72,706.23 × 29,715.74
  4. Step 4: Simplify right side
    52,685.62x = 2,160,519,828.73
  5. Step 5: Solve for x
    x = 2,160,519,828.73/52,685.62
  6. Step 6: Final answer
    x = 41,007.77

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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.