Home / 54,678.85-75,456.80-29,528.35

Finding the Fourth Proportional to 54,678.85, 75,456.80 and 29,528.35

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Solution

The fourth proportional to 54,678.85, 75,456.80 and 29,528.35 is: 40,749.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,678.85 : 75,456.80 = 29,528.35 : x
  2. Step 2: Convert to fraction form
    54,678.85/75,456.80 = 29,528.35/x
  3. Step 3: Cross multiply
    54,678.85x = 75,456.80 × 29,528.35
  4. Step 4: Simplify right side
    54,678.85x = 2,228,114,685.46
  5. Step 5: Solve for x
    x = 2,228,114,685.46/54,678.85
  6. Step 6: Final answer
    x = 40,749.12

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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.