Home / 91,364.88-136,854.20-46,856.08

Finding the Fourth Proportional to 91,364.88, 136,854.20 and 46,856.08

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Solution

The fourth proportional to 91,364.88, 136,854.20 and 46,856.08 is: 70,185.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,364.88 : 136,854.20 = 46,856.08 : x
  2. Step 2: Convert to fraction form
    91,364.88/136,854.20 = 46,856.08/x
  3. Step 3: Cross multiply
    91,364.88x = 136,854.20 × 46,856.08
  4. Step 4: Simplify right side
    91,364.88x = 6,412,451,343.54
  5. Step 5: Solve for x
    x = 6,412,451,343.54/91,364.88
  6. Step 6: Final answer
    x = 70,185.08

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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.