Home / 113,647.32-170,471.10-61,389.08

Finding the Fourth Proportional to 113,647.32, 170,471.10 and 61,389.08

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Solution

The fourth proportional to 113,647.32, 170,471.10 and 61,389.08 is: 92,083.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,647.32 : 170,471.10 = 61,389.08 : x
  2. Step 2: Convert to fraction form
    113,647.32/170,471.10 = 61,389.08/x
  3. Step 3: Cross multiply
    113,647.32x = 170,471.10 × 61,389.08
  4. Step 4: Simplify right side
    113,647.32x = 10,465,063,995.59
  5. Step 5: Solve for x
    x = 10,465,063,995.59/113,647.32
  6. Step 6: Final answer
    x = 92,083.68

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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.