Home / 52,292.39-72,163.71-31,071.20

Finding the Fourth Proportional to 52,292.39, 72,163.71 and 31,071.20

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Solution

The fourth proportional to 52,292.39, 72,163.71 and 31,071.20 is: 42,878.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,292.39 : 72,163.71 = 31,071.20 : x
  2. Step 2: Convert to fraction form
    52,292.39/72,163.71 = 31,071.20/x
  3. Step 3: Cross multiply
    52,292.39x = 72,163.71 × 31,071.20
  4. Step 4: Simplify right side
    52,292.39x = 2,242,212,705.33
  5. Step 5: Solve for x
    x = 2,242,212,705.33/52,292.39
  6. Step 6: Final answer
    x = 42,878.38

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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.