Home / 91,156.07-125,795.39-50,320.22

Finding the Fourth Proportional to 91,156.07, 125,795.39 and 50,320.22

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Solution

The fourth proportional to 91,156.07, 125,795.39 and 50,320.22 is: 69,441.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,156.07 : 125,795.39 = 50,320.22 : x
  2. Step 2: Convert to fraction form
    91,156.07/125,795.39 = 50,320.22/x
  3. Step 3: Cross multiply
    91,156.07x = 125,795.39 × 50,320.22
  4. Step 4: Simplify right side
    91,156.07x = 6,330,051,196.61
  5. Step 5: Solve for x
    x = 6,330,051,196.61/91,156.07
  6. Step 6: Final answer
    x = 69,441.91

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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.