Home / 77,325.18-106,760.18-59,388.14

Finding the Fourth Proportional to 77,325.18, 106,760.18 and 59,388.14

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Solution

The fourth proportional to 77,325.18, 106,760.18 and 59,388.14 is: 81,995.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,325.18 : 106,760.18 = 59,388.14 : x
  2. Step 2: Convert to fraction form
    77,325.18/106,760.18 = 59,388.14/x
  3. Step 3: Cross multiply
    77,325.18x = 106,760.18 × 59,388.14
  4. Step 4: Simplify right side
    77,325.18x = 6,340,288,516.27
  5. Step 5: Solve for x
    x = 6,340,288,516.27/77,325.18
  6. Step 6: Final answer
    x = 81,995.13

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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.