Home / 107,720.08-148,631.12-62,395.36

Finding the Fourth Proportional to 107,720.08, 148,631.12 and 62,395.36

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Solution

The fourth proportional to 107,720.08, 148,631.12 and 62,395.36 is: 86,092.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,720.08 : 148,631.12 = 62,395.36 : x
  2. Step 2: Convert to fraction form
    107,720.08/148,631.12 = 62,395.36/x
  3. Step 3: Cross multiply
    107,720.08x = 148,631.12 × 62,395.36
  4. Step 4: Simplify right side
    107,720.08x = 9,273,892,239.60
  5. Step 5: Solve for x
    x = 9,273,892,239.60/107,720.08
  6. Step 6: Final answer
    x = 86,092.51

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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.