Home / 73,083.10-100,854.99-39,549.10

Finding the Fourth Proportional to 73,083.10, 100,854.99 and 39,549.10

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Solution

The fourth proportional to 73,083.10, 100,854.99 and 39,549.10 is: 54,577.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,083.10 : 100,854.99 = 39,549.10 : x
  2. Step 2: Convert to fraction form
    73,083.10/100,854.99 = 39,549.10/x
  3. Step 3: Cross multiply
    73,083.10x = 100,854.99 × 39,549.10
  4. Step 4: Simplify right side
    73,083.10x = 3,988,724,085.01
  5. Step 5: Solve for x
    x = 3,988,724,085.01/73,083.10
  6. Step 6: Final answer
    x = 54,577.93

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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.