Home / 54,341.76-74,983.48-31,056.42

Finding the Fourth Proportional to 54,341.76, 74,983.48 and 31,056.42

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Solution

The fourth proportional to 54,341.76, 74,983.48 and 31,056.42 is: 42,853.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,341.76 : 74,983.48 = 31,056.42 : x
  2. Step 2: Convert to fraction form
    54,341.76/74,983.48 = 31,056.42/x
  3. Step 3: Cross multiply
    54,341.76x = 74,983.48 × 31,056.42
  4. Step 4: Simplify right side
    54,341.76x = 2,328,718,447.94
  5. Step 5: Solve for x
    x = 2,328,718,447.94/54,341.76
  6. Step 6: Final answer
    x = 42,853.20

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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.