Home / 61,789.32-85,272.96-34,934.32

Finding the Fourth Proportional to 61,789.32, 85,272.96 and 34,934.32

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Solution

The fourth proportional to 61,789.32, 85,272.96 and 34,934.32 is: 48,211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,789.32 : 85,272.96 = 34,934.32 : x
  2. Step 2: Convert to fraction form
    61,789.32/85,272.96 = 34,934.32/x
  3. Step 3: Cross multiply
    61,789.32x = 85,272.96 × 34,934.32
  4. Step 4: Simplify right side
    61,789.32x = 2,978,952,871.99
  5. Step 5: Solve for x
    x = 2,978,952,871.99/61,789.32
  6. Step 6: Final answer
    x = 48,211.45

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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.