Home / 88,623.42-122,239.23-52,785.66

Finding the Fourth Proportional to 88,623.42, 122,239.23 and 52,785.66

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Solution

The fourth proportional to 88,623.42, 122,239.23 and 52,785.66 is: 72,807.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,623.42 : 122,239.23 = 52,785.66 : x
  2. Step 2: Convert to fraction form
    88,623.42/122,239.23 = 52,785.66/x
  3. Step 3: Cross multiply
    88,623.42x = 122,239.23 × 52,785.66
  4. Step 4: Simplify right side
    88,623.42x = 6,452,478,433.44
  5. Step 5: Solve for x
    x = 6,452,478,433.44/88,623.42
  6. Step 6: Final answer
    x = 72,807.82

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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.