Home / 124,981.14-187,491.24-40,721.76

Finding the Fourth Proportional to 124,981.14, 187,491.24 and 40,721.76

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Solution

The fourth proportional to 124,981.14, 187,491.24 and 40,721.76 is: 61,089.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,981.14 : 187,491.24 = 40,721.76 : x
  2. Step 2: Convert to fraction form
    124,981.14/187,491.24 = 40,721.76/x
  3. Step 3: Cross multiply
    124,981.14x = 187,491.24 × 40,721.76
  4. Step 4: Simplify right side
    124,981.14x = 7,634,973,277.38
  5. Step 5: Solve for x
    x = 7,634,973,277.38/124,981.14
  6. Step 6: Final answer
    x = 61,089.00

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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.