Home / 66,041.07-91,112.76-43,392.26

Finding the Fourth Proportional to 66,041.07, 91,112.76 and 43,392.26

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Solution

The fourth proportional to 66,041.07, 91,112.76 and 43,392.26 is: 59,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,041.07 : 91,112.76 = 43,392.26 : x
  2. Step 2: Convert to fraction form
    66,041.07/91,112.76 = 43,392.26/x
  3. Step 3: Cross multiply
    66,041.07x = 91,112.76 × 43,392.26
  4. Step 4: Simplify right side
    66,041.07x = 3,953,588,571.24
  5. Step 5: Solve for x
    x = 3,953,588,571.24/66,041.07
  6. Step 6: Final answer
    x = 59,865.60

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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.