Home / 113,746.60-170,402.30-61,138.60

Finding the Fourth Proportional to 113,746.60, 170,402.30 and 61,138.60

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Solution

The fourth proportional to 113,746.60, 170,402.30 and 61,138.60 is: 91,590.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,746.60 : 170,402.30 = 61,138.60 : x
  2. Step 2: Convert to fraction form
    113,746.60/170,402.30 = 61,138.60/x
  3. Step 3: Cross multiply
    113,746.60x = 170,402.30 × 61,138.60
  4. Step 4: Simplify right side
    113,746.60x = 10,418,158,058.78
  5. Step 5: Solve for x
    x = 10,418,158,058.78/113,746.60
  6. Step 6: Final answer
    x = 91,590.94

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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.