Home / 82,884.35-124,327.40-66,349.50

Finding the Fourth Proportional to 82,884.35, 124,327.40 and 66,349.50

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Solution

The fourth proportional to 82,884.35, 124,327.40 and 66,349.50 is: 99,524.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,884.35 : 124,327.40 = 66,349.50 : x
  2. Step 2: Convert to fraction form
    82,884.35/124,327.40 = 66,349.50/x
  3. Step 3: Cross multiply
    82,884.35x = 124,327.40 × 66,349.50
  4. Step 4: Simplify right side
    82,884.35x = 8,249,060,204.66
  5. Step 5: Solve for x
    x = 8,249,060,204.66/82,884.35
  6. Step 6: Final answer
    x = 99,524.94

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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.