Home / 113,646.32-170,469.60-61,388.08

Finding the Fourth Proportional to 113,646.32, 170,469.60 and 61,388.08

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Solution

The fourth proportional to 113,646.32, 170,469.60 and 61,388.08 is: 92,082.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,646.32 : 170,469.60 = 61,388.08 : x
  2. Step 2: Convert to fraction form
    113,646.32/170,469.60 = 61,388.08/x
  3. Step 3: Cross multiply
    113,646.32x = 170,469.60 × 61,388.08
  4. Step 4: Simplify right side
    113,646.32x = 10,464,801,442.37
  5. Step 5: Solve for x
    x = 10,464,801,442.37/113,646.32
  6. Step 6: Final answer
    x = 92,082.18

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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.