Home / 69,616.85-96,071.36-37,785.76

Finding the Fourth Proportional to 69,616.85, 96,071.36 and 37,785.76

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Solution

The fourth proportional to 69,616.85, 96,071.36 and 37,785.76 is: 52,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,616.85 : 96,071.36 = 37,785.76 : x
  2. Step 2: Convert to fraction form
    69,616.85/96,071.36 = 37,785.76/x
  3. Step 3: Cross multiply
    69,616.85x = 96,071.36 × 37,785.76
  4. Step 4: Simplify right side
    69,616.85x = 3,630,128,922.73
  5. Step 5: Solve for x
    x = 3,630,128,922.73/69,616.85
  6. Step 6: Final answer
    x = 52,144.40

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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.