Home / 109,330.58-150,849.68-61,583.90

Finding the Fourth Proportional to 109,330.58, 150,849.68 and 61,583.90

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Solution

The fourth proportional to 109,330.58, 150,849.68 and 61,583.90 is: 84,970.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,330.58 : 150,849.68 = 61,583.90 : x
  2. Step 2: Convert to fraction form
    109,330.58/150,849.68 = 61,583.90/x
  3. Step 3: Cross multiply
    109,330.58x = 150,849.68 × 61,583.90
  4. Step 4: Simplify right side
    109,330.58x = 9,289,911,608.15
  5. Step 5: Solve for x
    x = 9,289,911,608.15/109,330.58
  6. Step 6: Final answer
    x = 84,970.84

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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.