Home / 66,285.72-91,367.87-44,768.55

Finding the Fourth Proportional to 66,285.72, 91,367.87 and 44,768.55

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Solution

The fourth proportional to 66,285.72, 91,367.87 and 44,768.55 is: 61,708.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,285.72 : 91,367.87 = 44,768.55 : x
  2. Step 2: Convert to fraction form
    66,285.72/91,367.87 = 44,768.55/x
  3. Step 3: Cross multiply
    66,285.72x = 91,367.87 × 44,768.55
  4. Step 4: Simplify right side
    66,285.72x = 4,090,406,832.65
  5. Step 5: Solve for x
    x = 4,090,406,832.65/66,285.72
  6. Step 6: Final answer
    x = 61,708.72

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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.