Home / 113,162.24-156,157.80-62,858

Finding the Fourth Proportional to 113,162.24, 156,157.80 and 62,858

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Solution

The fourth proportional to 113,162.24, 156,157.80 and 62,858 is: 86,740.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,162.24 : 156,157.80 = 62,858 : x
  2. Step 2: Convert to fraction form
    113,162.24/156,157.80 = 62,858/x
  3. Step 3: Cross multiply
    113,162.24x = 156,157.80 × 62,858
  4. Step 4: Simplify right side
    113,162.24x = 9,815,766,992.40
  5. Step 5: Solve for x
    x = 9,815,766,992.40/113,162.24
  6. Step 6: Final answer
    x = 86,740.66

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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.