Home / 66,160.32-91,262.88-43,503.36

Finding the Fourth Proportional to 66,160.32, 91,262.88 and 43,503.36

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Solution

The fourth proportional to 66,160.32, 91,262.88 and 43,503.36 is: 60,009.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,160.32 : 91,262.88 = 43,503.36 : x
  2. Step 2: Convert to fraction form
    66,160.32/91,262.88 = 43,503.36/x
  3. Step 3: Cross multiply
    66,160.32x = 91,262.88 × 43,503.36
  4. Step 4: Simplify right side
    66,160.32x = 3,970,241,923.28
  5. Step 5: Solve for x
    x = 3,970,241,923.28/66,160.32
  6. Step 6: Final answer
    x = 60,009.41

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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.