Home / 54,940.01-75,818.70-31,070.25

Finding the Fourth Proportional to 54,940.01, 75,818.70 and 31,070.25

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Solution

The fourth proportional to 54,940.01, 75,818.70 and 31,070.25 is: 42,877.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,940.01 : 75,818.70 = 31,070.25 : x
  2. Step 2: Convert to fraction form
    54,940.01/75,818.70 = 31,070.25/x
  3. Step 3: Cross multiply
    54,940.01x = 75,818.70 × 31,070.25
  4. Step 4: Simplify right side
    54,940.01x = 2,355,705,963.68
  5. Step 5: Solve for x
    x = 2,355,705,963.68/54,940.01
  6. Step 6: Final answer
    x = 42,877.79

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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.