Home / 109,250.02-150,764.88-61,518.79

Finding the Fourth Proportional to 109,250.02, 150,764.88 and 61,518.79

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Solution

The fourth proportional to 109,250.02, 150,764.88 and 61,518.79 is: 84,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,250.02 : 150,764.88 = 61,518.79 : x
  2. Step 2: Convert to fraction form
    109,250.02/150,764.88 = 61,518.79/x
  3. Step 3: Cross multiply
    109,250.02x = 150,764.88 × 61,518.79
  4. Step 4: Simplify right side
    109,250.02x = 9,274,872,992.10
  5. Step 5: Solve for x
    x = 9,274,872,992.10/109,250.02
  6. Step 6: Final answer
    x = 84,895.85

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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.