Home / 66,237.74-91,410.42-37,948.89

Finding the Fourth Proportional to 66,237.74, 91,410.42 and 37,948.89

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Solution

The fourth proportional to 66,237.74, 91,410.42 and 37,948.89 is: 52,370.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,237.74 : 91,410.42 = 37,948.89 : x
  2. Step 2: Convert to fraction form
    66,237.74/91,410.42 = 37,948.89/x
  3. Step 3: Cross multiply
    66,237.74x = 91,410.42 × 37,948.89
  4. Step 4: Simplify right side
    66,237.74x = 3,468,923,973.43
  5. Step 5: Solve for x
    x = 3,468,923,973.43/66,237.74
  6. Step 6: Final answer
    x = 52,370.81

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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.