Home / 71,772.68-99,039.86-41,560.05

Finding the Fourth Proportional to 71,772.68, 99,039.86 and 41,560.05

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Solution

The fourth proportional to 71,772.68, 99,039.86 and 41,560.05 is: 57,349.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,772.68 : 99,039.86 = 41,560.05 : x
  2. Step 2: Convert to fraction form
    71,772.68/99,039.86 = 41,560.05/x
  3. Step 3: Cross multiply
    71,772.68x = 99,039.86 × 41,560.05
  4. Step 4: Simplify right side
    71,772.68x = 4,116,101,325.79
  5. Step 5: Solve for x
    x = 4,116,101,325.79/71,772.68
  6. Step 6: Final answer
    x = 57,349.14

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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.