Home / 105,597.06-145,723.98-57,850.57

Finding the Fourth Proportional to 105,597.06, 145,723.98 and 57,850.57

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Solution

The fourth proportional to 105,597.06, 145,723.98 and 57,850.57 is: 79,833.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,597.06 : 145,723.98 = 57,850.57 : x
  2. Step 2: Convert to fraction form
    105,597.06/145,723.98 = 57,850.57/x
  3. Step 3: Cross multiply
    105,597.06x = 145,723.98 × 57,850.57
  4. Step 4: Simplify right side
    105,597.06x = 8,430,215,305.67
  5. Step 5: Solve for x
    x = 8,430,215,305.67/105,597.06
  6. Step 6: Final answer
    x = 79,833.81

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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.