Home / 77,325.30-106,760.32-59,388.26

Finding the Fourth Proportional to 77,325.30, 106,760.32 and 59,388.26

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Solution

The fourth proportional to 77,325.30, 106,760.32 and 59,388.26 is: 81,995.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,325.30 : 106,760.32 = 59,388.26 : x
  2. Step 2: Convert to fraction form
    77,325.30/106,760.32 = 59,388.26/x
  3. Step 3: Cross multiply
    77,325.30x = 106,760.32 × 59,388.26
  4. Step 4: Simplify right side
    77,325.30x = 6,340,309,641.84
  5. Step 5: Solve for x
    x = 6,340,309,641.84/77,325.30
  6. Step 6: Final answer
    x = 81,995.28

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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.