Home / 47,916.09-66,124.22-27,776.79

Finding the Fourth Proportional to 47,916.09, 66,124.22 and 27,776.79

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Solution

The fourth proportional to 47,916.09, 66,124.22 and 27,776.79 is: 38,331.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,916.09 : 66,124.22 = 27,776.79 : x
  2. Step 2: Convert to fraction form
    47,916.09/66,124.22 = 27,776.79/x
  3. Step 3: Cross multiply
    47,916.09x = 66,124.22 × 27,776.79
  4. Step 4: Simplify right side
    47,916.09x = 1,836,718,433.97
  5. Step 5: Solve for x
    x = 1,836,718,433.97/47,916.09
  6. Step 6: Final answer
    x = 38,331.98

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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.