Home / 107,550.54-161,370.12-47,547.42

Finding the Fourth Proportional to 107,550.54, 161,370.12 and 47,547.42

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Solution

The fourth proportional to 107,550.54, 161,370.12 and 47,547.42 is: 71,340.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,550.54 : 161,370.12 = 47,547.42 : x
  2. Step 2: Convert to fraction form
    107,550.54/161,370.12 = 47,547.42/x
  3. Step 3: Cross multiply
    107,550.54x = 161,370.12 × 47,547.42
  4. Step 4: Simplify right side
    107,550.54x = 7,672,732,871.09
  5. Step 5: Solve for x
    x = 7,672,732,871.09/107,550.54
  6. Step 6: Final answer
    x = 71,340.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.