Home / 66,152.19-91,297.85-39,294.81

Finding the Fourth Proportional to 66,152.19, 91,297.85 and 39,294.81

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Solution

The fourth proportional to 66,152.19, 91,297.85 and 39,294.81 is: 54,231.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,152.19 : 91,297.85 = 39,294.81 : x
  2. Step 2: Convert to fraction form
    66,152.19/91,297.85 = 39,294.81/x
  3. Step 3: Cross multiply
    66,152.19x = 91,297.85 × 39,294.81
  4. Step 4: Simplify right side
    66,152.19x = 3,587,531,648.22
  5. Step 5: Solve for x
    x = 3,587,531,648.22/66,152.19
  6. Step 6: Final answer
    x = 54,231.48

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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.