Home / 104,078.28-143,634.96-58,740.15

Finding the Fourth Proportional to 104,078.28, 143,634.96 and 58,740.15

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Solution

The fourth proportional to 104,078.28, 143,634.96 and 58,740.15 is: 81,065.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,078.28 : 143,634.96 = 58,740.15 : x
  2. Step 2: Convert to fraction form
    104,078.28/143,634.96 = 58,740.15/x
  3. Step 3: Cross multiply
    104,078.28x = 143,634.96 × 58,740.15
  4. Step 4: Simplify right side
    104,078.28x = 8,437,139,095.64
  5. Step 5: Solve for x
    x = 8,437,139,095.64/104,078.28
  6. Step 6: Final answer
    x = 81,065.32

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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.