Home / 66,544.30-91,827-36,323.45

Finding the Fourth Proportional to 66,544.30, 91,827 and 36,323.45

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Solution

The fourth proportional to 66,544.30, 91,827 and 36,323.45 is: 50,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,544.30 : 91,827 = 36,323.45 : x
  2. Step 2: Convert to fraction form
    66,544.30/91,827 = 36,323.45/x
  3. Step 3: Cross multiply
    66,544.30x = 91,827 × 36,323.45
  4. Step 4: Simplify right side
    66,544.30x = 3,335,472,984.02
  5. Step 5: Solve for x
    x = 3,335,472,984.02/66,544.30
  6. Step 6: Final answer
    x = 50,124.10

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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.