Home / 61,809.18-85,298.34-34,955.70

Finding the Fourth Proportional to 61,809.18, 85,298.34 and 34,955.70

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Solution

The fourth proportional to 61,809.18, 85,298.34 and 34,955.70 is: 48,239.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,809.18 : 85,298.34 = 34,955.70 : x
  2. Step 2: Convert to fraction form
    61,809.18/85,298.34 = 34,955.70/x
  3. Step 3: Cross multiply
    61,809.18x = 85,298.34 × 34,955.70
  4. Step 4: Simplify right side
    61,809.18x = 2,981,663,183.54
  5. Step 5: Solve for x
    x = 2,981,663,183.54/61,809.18
  6. Step 6: Final answer
    x = 48,239.81

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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.