Home / 112,328.07-168,491.79-45,752.55

Finding the Fourth Proportional to 112,328.07, 168,491.79 and 45,752.55

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Solution

The fourth proportional to 112,328.07, 168,491.79 and 45,752.55 is: 68,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,328.07 : 168,491.79 = 45,752.55 : x
  2. Step 2: Convert to fraction form
    112,328.07/168,491.79 = 45,752.55/x
  3. Step 3: Cross multiply
    112,328.07x = 168,491.79 × 45,752.55
  4. Step 4: Simplify right side
    112,328.07x = 7,708,929,046.56
  5. Step 5: Solve for x
    x = 7,708,929,046.56/112,328.07
  6. Step 6: Final answer
    x = 68,628.70

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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.