Home / 91,003.98-125,581.50-50,722.14

Finding the Fourth Proportional to 91,003.98, 125,581.50 and 50,722.14

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Solution

The fourth proportional to 91,003.98, 125,581.50 and 50,722.14 is: 69,994.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,003.98 : 125,581.50 = 50,722.14 : x
  2. Step 2: Convert to fraction form
    91,003.98/125,581.50 = 50,722.14/x
  3. Step 3: Cross multiply
    91,003.98x = 125,581.50 × 50,722.14
  4. Step 4: Simplify right side
    91,003.98x = 6,369,762,424.41
  5. Step 5: Solve for x
    x = 6,369,762,424.41/91,003.98
  6. Step 6: Final answer
    x = 69,994.33

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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.