Home / 88,176.96-121,683.04-49,415.04

Finding the Fourth Proportional to 88,176.96, 121,683.04 and 49,415.04

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Solution

The fourth proportional to 88,176.96, 121,683.04 and 49,415.04 is: 68,192.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,176.96 : 121,683.04 = 49,415.04 : x
  2. Step 2: Convert to fraction form
    88,176.96/121,683.04 = 49,415.04/x
  3. Step 3: Cross multiply
    88,176.96x = 121,683.04 × 49,415.04
  4. Step 4: Simplify right side
    88,176.96x = 6,012,972,288.92
  5. Step 5: Solve for x
    x = 6,012,972,288.92/88,176.96
  6. Step 6: Final answer
    x = 68,192.10

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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.