Home / 91,039.42-125,632.96-50,755.65

Finding the Fourth Proportional to 91,039.42, 125,632.96 and 50,755.65

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Solution

The fourth proportional to 91,039.42, 125,632.96 and 50,755.65 is: 70,041.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,039.42 : 125,632.96 = 50,755.65 : x
  2. Step 2: Convert to fraction form
    91,039.42/125,632.96 = 50,755.65/x
  3. Step 3: Cross multiply
    91,039.42x = 125,632.96 × 50,755.65
  4. Step 4: Simplify right side
    91,039.42x = 6,376,581,664.28
  5. Step 5: Solve for x
    x = 6,376,581,664.28/91,039.42
  6. Step 6: Final answer
    x = 70,041.98

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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.