Home / 72,986.24-100,724.01-46,118.95

Finding the Fourth Proportional to 72,986.24, 100,724.01 and 46,118.95

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Solution

The fourth proportional to 72,986.24, 100,724.01 and 46,118.95 is: 63,646.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,986.24 : 100,724.01 = 46,118.95 : x
  2. Step 2: Convert to fraction form
    72,986.24/100,724.01 = 46,118.95/x
  3. Step 3: Cross multiply
    72,986.24x = 100,724.01 × 46,118.95
  4. Step 4: Simplify right side
    72,986.24x = 4,645,285,156.23
  5. Step 5: Solve for x
    x = 4,645,285,156.23/72,986.24
  6. Step 6: Final answer
    x = 63,646.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.