Home / 124,764.63-187,097.13-72,211.02

Finding the Fourth Proportional to 124,764.63, 187,097.13 and 72,211.02

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Solution

The fourth proportional to 124,764.63, 187,097.13 and 72,211.02 is: 108,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,764.63 : 187,097.13 = 72,211.02 : x
  2. Step 2: Convert to fraction form
    124,764.63/187,097.13 = 72,211.02/x
  3. Step 3: Cross multiply
    124,764.63x = 187,097.13 × 72,211.02
  4. Step 4: Simplify right side
    124,764.63x = 13,510,474,596.37
  5. Step 5: Solve for x
    x = 13,510,474,596.37/124,764.63
  6. Step 6: Final answer
    x = 108,287.70

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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.