Home / 48,778.02-73,152.60-20,697.72

Finding the Fourth Proportional to 48,778.02, 73,152.60 and 20,697.72

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Solution

The fourth proportional to 48,778.02, 73,152.60 and 20,697.72 is: 31,040.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,778.02 : 73,152.60 = 20,697.72 : x
  2. Step 2: Convert to fraction form
    48,778.02/73,152.60 = 20,697.72/x
  3. Step 3: Cross multiply
    48,778.02x = 73,152.60 × 20,697.72
  4. Step 4: Simplify right side
    48,778.02x = 1,514,092,032.07
  5. Step 5: Solve for x
    x = 1,514,092,032.07/48,778.02
  6. Step 6: Final answer
    x = 31,040.46

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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.