Home / 70,045.08-96,658.26-39,837.74

Finding the Fourth Proportional to 70,045.08, 96,658.26 and 39,837.74

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Solution

The fourth proportional to 70,045.08, 96,658.26 and 39,837.74 is: 54,973.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,045.08 : 96,658.26 = 39,837.74 : x
  2. Step 2: Convert to fraction form
    70,045.08/96,658.26 = 39,837.74/x
  3. Step 3: Cross multiply
    70,045.08x = 96,658.26 × 39,837.74
  4. Step 4: Simplify right side
    70,045.08x = 3,850,646,630.73
  5. Step 5: Solve for x
    x = 3,850,646,630.73/70,045.08
  6. Step 6: Final answer
    x = 54,973.83

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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.