Home / 91,011.84-125,600.64-50,725.89

Finding the Fourth Proportional to 91,011.84, 125,600.64 and 50,725.89

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Solution

The fourth proportional to 91,011.84, 125,600.64 and 50,725.89 is: 70,004.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,011.84 : 125,600.64 = 50,725.89 : x
  2. Step 2: Convert to fraction form
    91,011.84/125,600.64 = 50,725.89/x
  3. Step 3: Cross multiply
    91,011.84x = 125,600.64 × 50,725.89
  4. Step 4: Simplify right side
    91,011.84x = 6,371,204,248.57
  5. Step 5: Solve for x
    x = 6,371,204,248.57/91,011.84
  6. Step 6: Final answer
    x = 70,004.13

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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.