Home / 66,931.24-92,316.91-43,035.09

Finding the Fourth Proportional to 66,931.24, 92,316.91 and 43,035.09

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Solution

The fourth proportional to 66,931.24, 92,316.91 and 43,035.09 is: 59,357.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,931.24 : 92,316.91 = 43,035.09 : x
  2. Step 2: Convert to fraction form
    66,931.24/92,316.91 = 43,035.09/x
  3. Step 3: Cross multiply
    66,931.24x = 92,316.91 × 43,035.09
  4. Step 4: Simplify right side
    66,931.24x = 3,972,866,530.37
  5. Step 5: Solve for x
    x = 3,972,866,530.37/66,931.24
  6. Step 6: Final answer
    x = 59,357.43

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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.