Home / 45,454.56-68,191.08-19,159.26

Finding the Fourth Proportional to 45,454.56, 68,191.08 and 19,159.26

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Solution

The fourth proportional to 45,454.56, 68,191.08 and 19,159.26 is: 28,742.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,454.56 : 68,191.08 = 19,159.26 : x
  2. Step 2: Convert to fraction form
    45,454.56/68,191.08 = 19,159.26/x
  3. Step 3: Cross multiply
    45,454.56x = 68,191.08 × 19,159.26
  4. Step 4: Simplify right side
    45,454.56x = 1,306,490,631.40
  5. Step 5: Solve for x
    x = 1,306,490,631.40/45,454.56
  6. Step 6: Final answer
    x = 28,742.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.