Home / 84,944.70-127,417.46-25,780.68

Finding the Fourth Proportional to 84,944.70, 127,417.46 and 25,780.68

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Solution

The fourth proportional to 84,944.70, 127,417.46 and 25,780.68 is: 38,671.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,944.70 : 127,417.46 = 25,780.68 : x
  2. Step 2: Convert to fraction form
    84,944.70/127,417.46 = 25,780.68/x
  3. Step 3: Cross multiply
    84,944.70x = 127,417.46 × 25,780.68
  4. Step 4: Simplify right side
    84,944.70x = 3,284,908,633.77
  5. Step 5: Solve for x
    x = 3,284,908,633.77/84,944.70
  6. Step 6: Final answer
    x = 38,671.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.