Home / 87,970.02-131,950.71-28,833.54

Finding the Fourth Proportional to 87,970.02, 131,950.71 and 28,833.54

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Solution

The fourth proportional to 87,970.02, 131,950.71 and 28,833.54 is: 43,248.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,970.02 : 131,950.71 = 28,833.54 : x
  2. Step 2: Convert to fraction form
    87,970.02/131,950.71 = 28,833.54/x
  3. Step 3: Cross multiply
    87,970.02x = 131,950.71 × 28,833.54
  4. Step 4: Simplify right side
    87,970.02x = 3,804,606,074.81
  5. Step 5: Solve for x
    x = 3,804,606,074.81/87,970.02
  6. Step 6: Final answer
    x = 43,248.89

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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.