Home / 84,923.10-127,368.45-25,760.70

Finding the Fourth Proportional to 84,923.10, 127,368.45 and 25,760.70

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Solution

The fourth proportional to 84,923.10, 127,368.45 and 25,760.70 is: 38,636.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,923.10 : 127,368.45 = 25,760.70 : x
  2. Step 2: Convert to fraction form
    84,923.10/127,368.45 = 25,760.70/x
  3. Step 3: Cross multiply
    84,923.10x = 127,368.45 × 25,760.70
  4. Step 4: Simplify right side
    84,923.10x = 3,281,100,429.92
  5. Step 5: Solve for x
    x = 3,281,100,429.92/84,923.10
  6. Step 6: Final answer
    x = 38,636.14

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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.