Home / 48,784.02-73,161.60-20,703.72

Finding the Fourth Proportional to 48,784.02, 73,161.60 and 20,703.72

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Solution

The fourth proportional to 48,784.02, 73,161.60 and 20,703.72 is: 31,049.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,784.02 : 73,161.60 = 20,703.72 : x
  2. Step 2: Convert to fraction form
    48,784.02/73,161.60 = 20,703.72/x
  3. Step 3: Cross multiply
    48,784.02x = 73,161.60 × 20,703.72
  4. Step 4: Simplify right side
    48,784.02x = 1,514,717,281.15
  5. Step 5: Solve for x
    x = 1,514,717,281.15/48,784.02
  6. Step 6: Final answer
    x = 31,049.46

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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.