Home / 69,616.90-96,071.40-37,785.80

Finding the Fourth Proportional to 69,616.90, 96,071.40 and 37,785.80

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Solution

The fourth proportional to 69,616.90, 96,071.40 and 37,785.80 is: 52,144.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,616.90 : 96,071.40 = 37,785.80 : x
  2. Step 2: Convert to fraction form
    69,616.90/96,071.40 = 37,785.80/x
  3. Step 3: Cross multiply
    69,616.90x = 96,071.40 × 37,785.80
  4. Step 4: Simplify right side
    69,616.90x = 3,630,134,706.12
  5. Step 5: Solve for x
    x = 3,630,134,706.12/69,616.90
  6. Step 6: Final answer
    x = 52,144.45

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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.