Home / 92,091.54-138,190.26-38,779.32

Finding the Fourth Proportional to 92,091.54, 138,190.26 and 38,779.32

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Solution

The fourth proportional to 92,091.54, 138,190.26 and 38,779.32 is: 58,191.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,091.54 : 138,190.26 = 38,779.32 : x
  2. Step 2: Convert to fraction form
    92,091.54/138,190.26 = 38,779.32/x
  3. Step 3: Cross multiply
    92,091.54x = 138,190.26 × 38,779.32
  4. Step 4: Simplify right side
    92,091.54x = 5,358,924,313.42
  5. Step 5: Solve for x
    x = 5,358,924,313.42/92,091.54
  6. Step 6: Final answer
    x = 58,191.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.