Home / 66,265.49-91,484.08-43,670.13

Finding the Fourth Proportional to 66,265.49, 91,484.08 and 43,670.13

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Solution

The fourth proportional to 66,265.49, 91,484.08 and 43,670.13 is: 60,289.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,265.49 : 91,484.08 = 43,670.13 : x
  2. Step 2: Convert to fraction form
    66,265.49/91,484.08 = 43,670.13/x
  3. Step 3: Cross multiply
    66,265.49x = 91,484.08 × 43,670.13
  4. Step 4: Simplify right side
    66,265.49x = 3,995,121,557.36
  5. Step 5: Solve for x
    x = 3,995,121,557.36/66,265.49
  6. Step 6: Final answer
    x = 60,289.63

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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.