Home / 92,832.08-128,108.28-50,390.60

Finding the Fourth Proportional to 92,832.08, 128,108.28 and 50,390.60

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Solution

The fourth proportional to 92,832.08, 128,108.28 and 50,390.60 is: 69,539.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,832.08 : 128,108.28 = 50,390.60 : x
  2. Step 2: Convert to fraction form
    92,832.08/128,108.28 = 50,390.60/x
  3. Step 3: Cross multiply
    92,832.08x = 128,108.28 × 50,390.60
  4. Step 4: Simplify right side
    92,832.08x = 6,455,453,094.17
  5. Step 5: Solve for x
    x = 6,455,453,094.17/92,832.08
  6. Step 6: Final answer
    x = 69,539.03

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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.