Home / 113,605.44-156,782.35-62,618.10

Finding the Fourth Proportional to 113,605.44, 156,782.35 and 62,618.10

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Solution

The fourth proportional to 113,605.44, 156,782.35 and 62,618.10 is: 86,416.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,605.44 : 156,782.35 = 62,618.10 : x
  2. Step 2: Convert to fraction form
    113,605.44/156,782.35 = 62,618.10/x
  3. Step 3: Cross multiply
    113,605.44x = 156,782.35 × 62,618.10
  4. Step 4: Simplify right side
    113,605.44x = 9,817,412,870.54
  5. Step 5: Solve for x
    x = 9,817,412,870.54/113,605.44
  6. Step 6: Final answer
    x = 86,416.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.