Home / 80,567.04-120,852.96-38,451.57

Finding the Fourth Proportional to 80,567.04, 120,852.96 and 38,451.57

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Solution

The fourth proportional to 80,567.04, 120,852.96 and 38,451.57 is: 57,678.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,567.04 : 120,852.96 = 38,451.57 : x
  2. Step 2: Convert to fraction form
    80,567.04/120,852.96 = 38,451.57/x
  3. Step 3: Cross multiply
    80,567.04x = 120,852.96 × 38,451.57
  4. Step 4: Simplify right side
    80,567.04x = 4,646,986,051.15
  5. Step 5: Solve for x
    x = 4,646,986,051.15/80,567.04
  6. Step 6: Final answer
    x = 57,678.50

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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.