Home / 88,628.04-122,300.40-49,871.52

Finding the Fourth Proportional to 88,628.04, 122,300.40 and 49,871.52

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Solution

The fourth proportional to 88,628.04, 122,300.40 and 49,871.52 is: 68,819.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,628.04 : 122,300.40 = 49,871.52 : x
  2. Step 2: Convert to fraction form
    88,628.04/122,300.40 = 49,871.52/x
  3. Step 3: Cross multiply
    88,628.04x = 122,300.40 × 49,871.52
  4. Step 4: Simplify right side
    88,628.04x = 6,099,306,844.61
  5. Step 5: Solve for x
    x = 6,099,306,844.61/88,628.04
  6. Step 6: Final answer
    x = 68,819.16

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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.