Home / 109,824.12-151,557.48-62,077.68

Finding the Fourth Proportional to 109,824.12, 151,557.48 and 62,077.68

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Solution

The fourth proportional to 109,824.12, 151,557.48 and 62,077.68 is: 85,667.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,824.12 : 151,557.48 = 62,077.68 : x
  2. Step 2: Convert to fraction form
    109,824.12/151,557.48 = 62,077.68/x
  3. Step 3: Cross multiply
    109,824.12x = 151,557.48 × 62,077.68
  4. Step 4: Simplify right side
    109,824.12x = 9,408,336,745.05
  5. Step 5: Solve for x
    x = 9,408,336,745.05/109,824.12
  6. Step 6: Final answer
    x = 85,667.31

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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.