Home / 109,434.75-151,019.96-59,133.75

Finding the Fourth Proportional to 109,434.75, 151,019.96 and 59,133.75

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Solution

The fourth proportional to 109,434.75, 151,019.96 and 59,133.75 is: 81,604.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,434.75 : 151,019.96 = 59,133.75 : x
  2. Step 2: Convert to fraction form
    109,434.75/151,019.96 = 59,133.75/x
  3. Step 3: Cross multiply
    109,434.75x = 151,019.96 × 59,133.75
  4. Step 4: Simplify right side
    109,434.75x = 8,930,376,263.98
  5. Step 5: Solve for x
    x = 8,930,376,263.98/109,434.75
  6. Step 6: Final answer
    x = 81,604.58

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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.