Home / 88,929.02-122,725.98-51,215.42

Finding the Fourth Proportional to 88,929.02, 122,725.98 and 51,215.42

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Solution

The fourth proportional to 88,929.02, 122,725.98 and 51,215.42 is: 70,679.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,929.02 : 122,725.98 = 51,215.42 : x
  2. Step 2: Convert to fraction form
    88,929.02/122,725.98 = 51,215.42/x
  3. Step 3: Cross multiply
    88,929.02x = 122,725.98 × 51,215.42
  4. Step 4: Simplify right side
    88,929.02x = 6,285,462,610.61
  5. Step 5: Solve for x
    x = 6,285,462,610.61/88,929.02
  6. Step 6: Final answer
    x = 70,679.54

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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.