Home / 75,516.64-104,219.60-41,531.11

Finding the Fourth Proportional to 75,516.64, 104,219.60 and 41,531.11

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Solution

The fourth proportional to 75,516.64, 104,219.60 and 41,531.11 is: 57,316.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,516.64 : 104,219.60 = 41,531.11 : x
  2. Step 2: Convert to fraction form
    75,516.64/104,219.60 = 41,531.11/x
  3. Step 3: Cross multiply
    75,516.64x = 104,219.60 × 41,531.11
  4. Step 4: Simplify right side
    75,516.64x = 4,328,355,203.55
  5. Step 5: Solve for x
    x = 4,328,355,203.55/75,516.64
  6. Step 6: Final answer
    x = 57,316.58

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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.