Home / 52,448.67-72,408.51-40,160.79

Finding the Fourth Proportional to 52,448.67, 72,408.51 and 40,160.79

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Solution

The fourth proportional to 52,448.67, 72,408.51 and 40,160.79 is: 55,444.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,448.67 : 72,408.51 = 40,160.79 : x
  2. Step 2: Convert to fraction form
    52,448.67/72,408.51 = 40,160.79/x
  3. Step 3: Cross multiply
    52,448.67x = 72,408.51 × 40,160.79
  4. Step 4: Simplify right side
    52,448.67x = 2,907,982,964.32
  5. Step 5: Solve for x
    x = 2,907,982,964.32/52,448.67
  6. Step 6: Final answer
    x = 55,444.36

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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.