Home / 66,505.08-91,779.24-36,292.06

Finding the Fourth Proportional to 66,505.08, 91,779.24 and 36,292.06

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Solution

The fourth proportional to 66,505.08, 91,779.24 and 36,292.06 is: 50,084.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,505.08 : 91,779.24 = 36,292.06 : x
  2. Step 2: Convert to fraction form
    66,505.08/91,779.24 = 36,292.06/x
  3. Step 3: Cross multiply
    66,505.08x = 91,779.24 × 36,292.06
  4. Step 4: Simplify right side
    66,505.08x = 3,330,857,684.83
  5. Step 5: Solve for x
    x = 3,330,857,684.83/66,505.08
  6. Step 6: Final answer
    x = 50,084.26

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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.