Home / 84,983.50-127,477.95-25,819.69

Finding the Fourth Proportional to 84,983.50, 127,477.95 and 25,819.69

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Solution

The fourth proportional to 84,983.50, 127,477.95 and 25,819.69 is: 38,730.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,983.50 : 127,477.95 = 25,819.69 : x
  2. Step 2: Convert to fraction form
    84,983.50/127,477.95 = 25,819.69/x
  3. Step 3: Cross multiply
    84,983.50x = 127,477.95 × 25,819.69
  4. Step 4: Simplify right side
    84,983.50x = 3,291,440,513.45
  5. Step 5: Solve for x
    x = 3,291,440,513.45/84,983.50
  6. Step 6: Final answer
    x = 38,730.35

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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.