Home / 66,587.92-91,883.64-38,302.72

Finding the Fourth Proportional to 66,587.92, 91,883.64 and 38,302.72

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Solution

The fourth proportional to 66,587.92, 91,883.64 and 38,302.72 is: 52,853.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,587.92 : 91,883.64 = 38,302.72 : x
  2. Step 2: Convert to fraction form
    66,587.92/91,883.64 = 38,302.72/x
  3. Step 3: Cross multiply
    66,587.92x = 91,883.64 × 38,302.72
  4. Step 4: Simplify right side
    66,587.92x = 3,519,393,335.50
  5. Step 5: Solve for x
    x = 3,519,393,335.50/66,587.92
  6. Step 6: Final answer
    x = 52,853.33

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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.