Home / 88,923.76-122,718.72-51,210.16

Finding the Fourth Proportional to 88,923.76, 122,718.72 and 51,210.16

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Solution

The fourth proportional to 88,923.76, 122,718.72 and 51,210.16 is: 70,672.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,923.76 : 122,718.72 = 51,210.16 : x
  2. Step 2: Convert to fraction form
    88,923.76/122,718.72 = 51,210.16/x
  3. Step 3: Cross multiply
    88,923.76x = 122,718.72 × 51,210.16
  4. Step 4: Simplify right side
    88,923.76x = 6,284,445,286.20
  5. Step 5: Solve for x
    x = 6,284,445,286.20/88,923.76
  6. Step 6: Final answer
    x = 70,672.28

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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.