Home / 88,506.24-122,138.40-48,762.24

Finding the Fourth Proportional to 88,506.24, 122,138.40 and 48,762.24

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Solution

The fourth proportional to 88,506.24, 122,138.40 and 48,762.24 is: 67,291.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,506.24 : 122,138.40 = 48,762.24 : x
  2. Step 2: Convert to fraction form
    88,506.24/122,138.40 = 48,762.24/x
  3. Step 3: Cross multiply
    88,506.24x = 122,138.40 × 48,762.24
  4. Step 4: Simplify right side
    88,506.24x = 5,955,741,974.02
  5. Step 5: Solve for x
    x = 5,955,741,974.02/88,506.24
  6. Step 6: Final answer
    x = 67,291.77

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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.