Home / 54,083.89-74,587.29-45,039.21

Finding the Fourth Proportional to 54,083.89, 74,587.29 and 45,039.21

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Solution

The fourth proportional to 54,083.89, 74,587.29 and 45,039.21 is: 62,113.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,083.89 : 74,587.29 = 45,039.21 : x
  2. Step 2: Convert to fraction form
    54,083.89/74,587.29 = 45,039.21/x
  3. Step 3: Cross multiply
    54,083.89x = 74,587.29 × 45,039.21
  4. Step 4: Simplify right side
    54,083.89x = 3,359,352,244.70
  5. Step 5: Solve for x
    x = 3,359,352,244.70/54,083.89
  6. Step 6: Final answer
    x = 62,113.73

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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.