Home / 54,083.60-81,041.78-42,209.22

Finding the Fourth Proportional to 54,083.60, 81,041.78 and 42,209.22

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Solution

The fourth proportional to 54,083.60, 81,041.78 and 42,209.22 is: 63,248.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,083.60 : 81,041.78 = 42,209.22 : x
  2. Step 2: Convert to fraction form
    54,083.60/81,041.78 = 42,209.22/x
  3. Step 3: Cross multiply
    54,083.60x = 81,041.78 × 42,209.22
  4. Step 4: Simplify right side
    54,083.60x = 3,420,710,321.21
  5. Step 5: Solve for x
    x = 3,420,710,321.21/54,083.60
  6. Step 6: Final answer
    x = 63,248.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.