Home / 66,172.92-91,316.58-48,343.38

Finding the Fourth Proportional to 66,172.92, 91,316.58 and 48,343.38

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Solution

The fourth proportional to 66,172.92, 91,316.58 and 48,343.38 is: 66,712.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,172.92 : 91,316.58 = 48,343.38 : x
  2. Step 2: Convert to fraction form
    66,172.92/91,316.58 = 48,343.38/x
  3. Step 3: Cross multiply
    66,172.92x = 91,316.58 × 48,343.38
  4. Step 4: Simplify right side
    66,172.92x = 4,414,552,127.24
  5. Step 5: Solve for x
    x = 4,414,552,127.24/66,172.92
  6. Step 6: Final answer
    x = 66,712.37

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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.