Home / 91,921.02-137,894.49-32,739.18

Finding the Fourth Proportional to 91,921.02, 137,894.49 and 32,739.18

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Solution

The fourth proportional to 91,921.02, 137,894.49 and 32,739.18 is: 49,113.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,921.02 : 137,894.49 = 32,739.18 : x
  2. Step 2: Convert to fraction form
    91,921.02/137,894.49 = 32,739.18/x
  3. Step 3: Cross multiply
    91,921.02x = 137,894.49 × 32,739.18
  4. Step 4: Simplify right side
    91,921.02x = 4,514,552,529.12
  5. Step 5: Solve for x
    x = 4,514,552,529.12/91,921.02
  6. Step 6: Final answer
    x = 49,113.39

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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.