Home / 88,710.60-122,402.34-50,977.56

Finding the Fourth Proportional to 88,710.60, 122,402.34 and 50,977.56

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Solution

The fourth proportional to 88,710.60, 122,402.34 and 50,977.56 is: 70,338.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,710.60 : 122,402.34 = 50,977.56 : x
  2. Step 2: Convert to fraction form
    88,710.60/122,402.34 = 50,977.56/x
  3. Step 3: Cross multiply
    88,710.60x = 122,402.34 × 50,977.56
  4. Step 4: Simplify right side
    88,710.60x = 6,239,772,631.49
  5. Step 5: Solve for x
    x = 6,239,772,631.49/88,710.60
  6. Step 6: Final answer
    x = 70,338.52

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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.