Home / 54,679.20-75,457.27-29,528.70

Finding the Fourth Proportional to 54,679.20, 75,457.27 and 29,528.70

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Solution

The fourth proportional to 54,679.20, 75,457.27 and 29,528.70 is: 40,749.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,679.20 : 75,457.27 = 29,528.70 : x
  2. Step 2: Convert to fraction form
    54,679.20/75,457.27 = 29,528.70/x
  3. Step 3: Cross multiply
    54,679.20x = 75,457.27 × 29,528.70
  4. Step 4: Simplify right side
    54,679.20x = 2,228,155,088.65
  5. Step 5: Solve for x
    x = 2,228,155,088.65/54,679.20
  6. Step 6: Final answer
    x = 40,749.59

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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.