Home / 79,261.10-118,817.22-26,633.78

Finding the Fourth Proportional to 79,261.10, 118,817.22 and 26,633.78

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Solution

The fourth proportional to 79,261.10, 118,817.22 and 26,633.78 is: 39,925.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,261.10 : 118,817.22 = 26,633.78 : x
  2. Step 2: Convert to fraction form
    79,261.10/118,817.22 = 26,633.78/x
  3. Step 3: Cross multiply
    79,261.10x = 118,817.22 × 26,633.78
  4. Step 4: Simplify right side
    79,261.10x = 3,164,551,697.69
  5. Step 5: Solve for x
    x = 3,164,551,697.69/79,261.10
  6. Step 6: Final answer
    x = 39,925.66

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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.