Home / 88,532.32-122,120.88-52,698.40

Finding the Fourth Proportional to 88,532.32, 122,120.88 and 52,698.40

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Solution

The fourth proportional to 88,532.32, 122,120.88 and 52,698.40 is: 72,691.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,532.32 : 122,120.88 = 52,698.40 : x
  2. Step 2: Convert to fraction form
    88,532.32/122,120.88 = 52,698.40/x
  3. Step 3: Cross multiply
    88,532.32x = 122,120.88 × 52,698.40
  4. Step 4: Simplify right side
    88,532.32x = 6,435,574,982.59
  5. Step 5: Solve for x
    x = 6,435,574,982.59/88,532.32
  6. Step 6: Final answer
    x = 72,691.81

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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.