Home / 92,832.03-128,108.36-50,390.55

Finding the Fourth Proportional to 92,832.03, 128,108.36 and 50,390.55

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Solution

The fourth proportional to 92,832.03, 128,108.36 and 50,390.55 is: 69,539.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,832.03 : 128,108.36 = 50,390.55 : x
  2. Step 2: Convert to fraction form
    92,832.03/128,108.36 = 50,390.55/x
  3. Step 3: Cross multiply
    92,832.03x = 128,108.36 × 50,390.55
  4. Step 4: Simplify right side
    92,832.03x = 6,455,450,468.05
  5. Step 5: Solve for x
    x = 6,455,450,468.05/92,832.03
  6. Step 6: Final answer
    x = 69,539.04

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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.