Home / 66,345.59-91,558.65-36,132.18

Finding the Fourth Proportional to 66,345.59, 91,558.65 and 36,132.18

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Solution

The fourth proportional to 66,345.59, 91,558.65 and 36,132.18 is: 49,863.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,345.59 : 91,558.65 = 36,132.18 : x
  2. Step 2: Convert to fraction form
    66,345.59/91,558.65 = 36,132.18/x
  3. Step 3: Cross multiply
    66,345.59x = 91,558.65 × 36,132.18
  4. Step 4: Simplify right side
    66,345.59x = 3,308,213,622.36
  5. Step 5: Solve for x
    x = 3,308,213,622.36/66,345.59
  6. Step 6: Final answer
    x = 49,863.36

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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.