Home / 54,856.13-75,703.14-30,659.00

Finding the Fourth Proportional to 54,856.13, 75,703.14 and 30,659.00

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Solution

The fourth proportional to 54,856.13, 75,703.14 and 30,659.00 is: 42,310.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,856.13 : 75,703.14 = 30,659.00 : x
  2. Step 2: Convert to fraction form
    54,856.13/75,703.14 = 30,659.00/x
  3. Step 3: Cross multiply
    54,856.13x = 75,703.14 × 30,659.00
  4. Step 4: Simplify right side
    54,856.13x = 2,320,982,190.74
  5. Step 5: Solve for x
    x = 2,320,982,190.74/54,856.13
  6. Step 6: Final answer
    x = 42,310.36

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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.