Home / 66,344.04-91,555.36-36,129.49

Finding the Fourth Proportional to 66,344.04, 91,555.36 and 36,129.49

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Solution

The fourth proportional to 66,344.04, 91,555.36 and 36,129.49 is: 49,859.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,344.04 : 91,555.36 = 36,129.49 : x
  2. Step 2: Convert to fraction form
    66,344.04/91,555.36 = 36,129.49/x
  3. Step 3: Cross multiply
    66,344.04x = 91,555.36 × 36,129.49
  4. Step 4: Simplify right side
    66,344.04x = 3,307,848,463.57
  5. Step 5: Solve for x
    x = 3,307,848,463.57/66,344.04
  6. Step 6: Final answer
    x = 49,859.01

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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.