Home / 122,060.12-183,118.12-47,180.88

Finding the Fourth Proportional to 122,060.12, 183,118.12 and 47,180.88

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Solution

The fourth proportional to 122,060.12, 183,118.12 and 47,180.88 is: 70,782.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,060.12 : 183,118.12 = 47,180.88 : x
  2. Step 2: Convert to fraction form
    122,060.12/183,118.12 = 47,180.88/x
  3. Step 3: Cross multiply
    122,060.12x = 183,118.12 × 47,180.88
  4. Step 4: Simplify right side
    122,060.12x = 8,639,673,927.59
  5. Step 5: Solve for x
    x = 8,639,673,927.59/122,060.12
  6. Step 6: Final answer
    x = 70,782.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.