Home / 54,146.15-81,228.45-16,705.52

Finding the Fourth Proportional to 54,146.15, 81,228.45 and 16,705.52

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Solution

The fourth proportional to 54,146.15, 81,228.45 and 16,705.52 is: 25,061.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,146.15 : 81,228.45 = 16,705.52 : x
  2. Step 2: Convert to fraction form
    54,146.15/81,228.45 = 16,705.52/x
  3. Step 3: Cross multiply
    54,146.15x = 81,228.45 × 16,705.52
  4. Step 4: Simplify right side
    54,146.15x = 1,356,963,496.04
  5. Step 5: Solve for x
    x = 1,356,963,496.04/54,146.15
  6. Step 6: Final answer
    x = 25,061.13

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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.