Home / 83,654.04-125,530.02-31,099.80

Finding the Fourth Proportional to 83,654.04, 125,530.02 and 31,099.80

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Solution

The fourth proportional to 83,654.04, 125,530.02 and 31,099.80 is: 46,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,654.04 : 125,530.02 = 31,099.80 : x
  2. Step 2: Convert to fraction form
    83,654.04/125,530.02 = 31,099.80/x
  3. Step 3: Cross multiply
    83,654.04x = 125,530.02 × 31,099.80
  4. Step 4: Simplify right side
    83,654.04x = 3,903,958,516.00
  5. Step 5: Solve for x
    x = 3,903,958,516.00/83,654.04
  6. Step 6: Final answer
    x = 46,667.90

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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.