Home / 49,088.72-67,740.36-27,869.60

Finding the Fourth Proportional to 49,088.72, 67,740.36 and 27,869.60

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Solution

The fourth proportional to 49,088.72, 67,740.36 and 27,869.60 is: 38,458.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,088.72 : 67,740.36 = 27,869.60 : x
  2. Step 2: Convert to fraction form
    49,088.72/67,740.36 = 27,869.60/x
  3. Step 3: Cross multiply
    49,088.72x = 67,740.36 × 27,869.60
  4. Step 4: Simplify right side
    49,088.72x = 1,887,896,737.06
  5. Step 5: Solve for x
    x = 1,887,896,737.06/49,088.72
  6. Step 6: Final answer
    x = 38,458.87

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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.