Home / 43,323.26-64,987.18-12,160.94

Finding the Fourth Proportional to 43,323.26, 64,987.18 and 12,160.94

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Solution

The fourth proportional to 43,323.26, 64,987.18 and 12,160.94 is: 18,242.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,323.26 : 64,987.18 = 12,160.94 : x
  2. Step 2: Convert to fraction form
    43,323.26/64,987.18 = 12,160.94/x
  3. Step 3: Cross multiply
    43,323.26x = 64,987.18 × 12,160.94
  4. Step 4: Simplify right side
    43,323.26x = 790,304,841.41
  5. Step 5: Solve for x
    x = 790,304,841.41/43,323.26
  6. Step 6: Final answer
    x = 18,242.05

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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.