Home / 91,017.83-136,504.86-46,621.73

Finding the Fourth Proportional to 91,017.83, 136,504.86 and 46,621.73

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Solution

The fourth proportional to 91,017.83, 136,504.86 and 46,621.73 is: 69,921.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,017.83 : 136,504.86 = 46,621.73 : x
  2. Step 2: Convert to fraction form
    91,017.83/136,504.86 = 46,621.73/x
  3. Step 3: Cross multiply
    91,017.83x = 136,504.86 × 46,621.73
  4. Step 4: Simplify right side
    91,017.83x = 6,364,092,044.08
  5. Step 5: Solve for x
    x = 6,364,092,044.08/91,017.83
  6. Step 6: Final answer
    x = 69,921.38

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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.