Home / 104,339.64-143,987.58-59,016.90

Finding the Fourth Proportional to 104,339.64, 143,987.58 and 59,016.90

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Solution

The fourth proportional to 104,339.64, 143,987.58 and 59,016.90 is: 81,442.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,339.64 : 143,987.58 = 59,016.90 : x
  2. Step 2: Convert to fraction form
    104,339.64/143,987.58 = 59,016.90/x
  3. Step 3: Cross multiply
    104,339.64x = 143,987.58 × 59,016.90
  4. Step 4: Simplify right side
    104,339.64x = 8,497,700,610.10
  5. Step 5: Solve for x
    x = 8,497,700,610.10/104,339.64
  6. Step 6: Final answer
    x = 81,442.69

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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.