Home / 53,790.12-74,229.06-29,916.72

Finding the Fourth Proportional to 53,790.12, 74,229.06 and 29,916.72

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Solution

The fourth proportional to 53,790.12, 74,229.06 and 29,916.72 is: 41,284.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,790.12 : 74,229.06 = 29,916.72 : x
  2. Step 2: Convert to fraction form
    53,790.12/74,229.06 = 29,916.72/x
  3. Step 3: Cross multiply
    53,790.12x = 74,229.06 × 29,916.72
  4. Step 4: Simplify right side
    53,790.12x = 2,220,690,003.88
  5. Step 5: Solve for x
    x = 2,220,690,003.88/53,790.12
  6. Step 6: Final answer
    x = 41,284.35

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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.