Home / 92,872.08-128,161.44-50,430.24

Finding the Fourth Proportional to 92,872.08, 128,161.44 and 50,430.24

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Solution

The fourth proportional to 92,872.08, 128,161.44 and 50,430.24 is: 69,592.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,872.08 : 128,161.44 = 50,430.24 : x
  2. Step 2: Convert to fraction form
    92,872.08/128,161.44 = 50,430.24/x
  3. Step 3: Cross multiply
    92,872.08x = 128,161.44 × 50,430.24
  4. Step 4: Simplify right side
    92,872.08x = 6,463,212,177.95
  5. Step 5: Solve for x
    x = 6,463,212,177.95/92,872.08
  6. Step 6: Final answer
    x = 69,592.63

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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.