Home / 71,208.24-106,718.94-52,400.22

Finding the Fourth Proportional to 71,208.24, 106,718.94 and 52,400.22

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Solution

The fourth proportional to 71,208.24, 106,718.94 and 52,400.22 is: 78,531.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,208.24 : 106,718.94 = 52,400.22 : x
  2. Step 2: Convert to fraction form
    71,208.24/106,718.94 = 52,400.22/x
  3. Step 3: Cross multiply
    71,208.24x = 106,718.94 × 52,400.22
  4. Step 4: Simplify right side
    71,208.24x = 5,592,095,934.17
  5. Step 5: Solve for x
    x = 5,592,095,934.17/71,208.24
  6. Step 6: Final answer
    x = 78,531.58

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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.