Home / 75,521.32-104,180.16-45,292.12

Finding the Fourth Proportional to 75,521.32, 104,180.16 and 45,292.12

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Solution

The fourth proportional to 75,521.32, 104,180.16 and 45,292.12 is: 62,479.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,521.32 : 104,180.16 = 45,292.12 : x
  2. Step 2: Convert to fraction form
    75,521.32/104,180.16 = 45,292.12/x
  3. Step 3: Cross multiply
    75,521.32x = 104,180.16 × 45,292.12
  4. Step 4: Simplify right side
    75,521.32x = 4,718,540,308.34
  5. Step 5: Solve for x
    x = 4,718,540,308.34/75,521.32
  6. Step 6: Final answer
    x = 62,479.58

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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.