Home / 77,191.10-106,525.62-43,199.31

Finding the Fourth Proportional to 77,191.10, 106,525.62 and 43,199.31

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Solution

The fourth proportional to 77,191.10, 106,525.62 and 43,199.31 is: 59,616.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,191.10 : 106,525.62 = 43,199.31 : x
  2. Step 2: Convert to fraction form
    77,191.10/106,525.62 = 43,199.31/x
  3. Step 3: Cross multiply
    77,191.10x = 106,525.62 × 43,199.31
  4. Step 4: Simplify right side
    77,191.10x = 4,601,833,065.33
  5. Step 5: Solve for x
    x = 4,601,833,065.33/77,191.10
  6. Step 6: Final answer
    x = 59,616.11

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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.