Home / 51,931.72-77,866.45-23,816.56

Finding the Fourth Proportional to 51,931.72, 77,866.45 and 23,816.56

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Solution

The fourth proportional to 51,931.72, 77,866.45 and 23,816.56 is: 35,710.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,931.72 : 77,866.45 = 23,816.56 : x
  2. Step 2: Convert to fraction form
    51,931.72/77,866.45 = 23,816.56/x
  3. Step 3: Cross multiply
    51,931.72x = 77,866.45 × 23,816.56
  4. Step 4: Simplify right side
    51,931.72x = 1,854,510,978.41
  5. Step 5: Solve for x
    x = 1,854,510,978.41/51,931.72
  6. Step 6: Final answer
    x = 35,710.56

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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.