Home / 84,299.76-116,320.32-48,491.28

Finding the Fourth Proportional to 84,299.76, 116,320.32 and 48,491.28

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Solution

The fourth proportional to 84,299.76, 116,320.32 and 48,491.28 is: 66,910.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,299.76 : 116,320.32 = 48,491.28 : x
  2. Step 2: Convert to fraction form
    84,299.76/116,320.32 = 48,491.28/x
  3. Step 3: Cross multiply
    84,299.76x = 116,320.32 × 48,491.28
  4. Step 4: Simplify right side
    84,299.76x = 5,640,521,206.81
  5. Step 5: Solve for x
    x = 5,640,521,206.81/84,299.76
  6. Step 6: Final answer
    x = 66,910.29

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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.