Home / 109,943.85-151,722.80-59,642.85

Finding the Fourth Proportional to 109,943.85, 151,722.80 and 59,642.85

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Solution

The fourth proportional to 109,943.85, 151,722.80 and 59,642.85 is: 82,307.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,943.85 : 151,722.80 = 59,642.85 : x
  2. Step 2: Convert to fraction form
    109,943.85/151,722.80 = 59,642.85/x
  3. Step 3: Cross multiply
    109,943.85x = 151,722.80 × 59,642.85
  4. Step 4: Simplify right side
    109,943.85x = 9,049,180,201.98
  5. Step 5: Solve for x
    x = 9,049,180,201.98/109,943.85
  6. Step 6: Final answer
    x = 82,307.29

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1.5x scale

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.