Home / 113,899.30-170,848.95-54,720.70

Finding the Fourth Proportional to 113,899.30, 170,848.95 and 54,720.70

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Solution

The fourth proportional to 113,899.30, 170,848.95 and 54,720.70 is: 82,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,899.30 : 170,848.95 = 54,720.70 : x
  2. Step 2: Convert to fraction form
    113,899.30/170,848.95 = 54,720.70/x
  3. Step 3: Cross multiply
    113,899.30x = 170,848.95 × 54,720.70
  4. Step 4: Simplify right side
    113,899.30x = 9,348,974,138.27
  5. Step 5: Solve for x
    x = 9,348,974,138.27/113,899.30
  6. Step 6: Final answer
    x = 82,081.05

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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.