Home / 54,426.69-81,552.60-45,678.69

Finding the Fourth Proportional to 54,426.69, 81,552.60 and 45,678.69

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Solution

The fourth proportional to 54,426.69, 81,552.60 and 45,678.69 is: 68,444.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,426.69 : 81,552.60 = 45,678.69 : x
  2. Step 2: Convert to fraction form
    54,426.69/81,552.60 = 45,678.69/x
  3. Step 3: Cross multiply
    54,426.69x = 81,552.60 × 45,678.69
  4. Step 4: Simplify right side
    54,426.69x = 3,725,215,934.09
  5. Step 5: Solve for x
    x = 3,725,215,934.09/54,426.69
  6. Step 6: Final answer
    x = 68,444.65

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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.