Home / 84,965.94-127,440.68-25,802.12

Finding the Fourth Proportional to 84,965.94, 127,440.68 and 25,802.12

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Solution

The fourth proportional to 84,965.94, 127,440.68 and 25,802.12 is: 38,700.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,965.94 : 127,440.68 = 25,802.12 : x
  2. Step 2: Convert to fraction form
    84,965.94/127,440.68 = 25,802.12/x
  3. Step 3: Cross multiply
    84,965.94x = 127,440.68 × 25,802.12
  4. Step 4: Simplify right side
    84,965.94x = 3,288,239,718.24
  5. Step 5: Solve for x
    x = 3,288,239,718.24/84,965.94
  6. Step 6: Final answer
    x = 38,700.68

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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.