Home / 48,386.73-72,576.45-28,790.01

Finding the Fourth Proportional to 48,386.73, 72,576.45 and 28,790.01

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Solution

The fourth proportional to 48,386.73, 72,576.45 and 28,790.01 is: 43,182.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,386.73 : 72,576.45 = 28,790.01 : x
  2. Step 2: Convert to fraction form
    48,386.73/72,576.45 = 28,790.01/x
  3. Step 3: Cross multiply
    48,386.73x = 72,576.45 × 28,790.01
  4. Step 4: Simplify right side
    48,386.73x = 2,089,476,721.26
  5. Step 5: Solve for x
    x = 2,089,476,721.26/48,386.73
  6. Step 6: Final answer
    x = 43,182.85

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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.