Home / 78,817.68-118,280.07-32,079.06

Finding the Fourth Proportional to 78,817.68, 118,280.07 and 32,079.06

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Solution

The fourth proportional to 78,817.68, 118,280.07 and 32,079.06 is: 48,140.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,817.68 : 118,280.07 = 32,079.06 : x
  2. Step 2: Convert to fraction form
    78,817.68/118,280.07 = 32,079.06/x
  3. Step 3: Cross multiply
    78,817.68x = 118,280.07 × 32,079.06
  4. Step 4: Simplify right side
    78,817.68x = 3,794,313,462.33
  5. Step 5: Solve for x
    x = 3,794,313,462.33/78,817.68
  6. Step 6: Final answer
    x = 48,140.39

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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.