Home / 88,729.70-122,466.76-56,458.08

Finding the Fourth Proportional to 88,729.70, 122,466.76 and 56,458.08

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Solution

The fourth proportional to 88,729.70, 122,466.76 and 56,458.08 is: 77,924.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,729.70 : 122,466.76 = 56,458.08 : x
  2. Step 2: Convert to fraction form
    88,729.70/122,466.76 = 56,458.08/x
  3. Step 3: Cross multiply
    88,729.70x = 122,466.76 × 56,458.08
  4. Step 4: Simplify right side
    88,729.70x = 6,914,238,133.42
  5. Step 5: Solve for x
    x = 6,914,238,133.42/88,729.70
  6. Step 6: Final answer
    x = 77,924.73

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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.