Home / 91,073.04-125,681.48-50,789.42

Finding the Fourth Proportional to 91,073.04, 125,681.48 and 50,789.42

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Solution

The fourth proportional to 91,073.04, 125,681.48 and 50,789.42 is: 70,089.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,073.04 : 125,681.48 = 50,789.42 : x
  2. Step 2: Convert to fraction form
    91,073.04/125,681.48 = 50,789.42/x
  3. Step 3: Cross multiply
    91,073.04x = 125,681.48 × 50,789.42
  4. Step 4: Simplify right side
    91,073.04x = 6,383,288,591.59
  5. Step 5: Solve for x
    x = 6,383,288,591.59/91,073.04
  6. Step 6: Final answer
    x = 70,089.77

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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.