Home / 84,056.40-126,099.58-27,899.83

Finding the Fourth Proportional to 84,056.40, 126,099.58 and 27,899.83

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Solution

The fourth proportional to 84,056.40, 126,099.58 and 27,899.83 is: 41,854.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,056.40 : 126,099.58 = 27,899.83 : x
  2. Step 2: Convert to fraction form
    84,056.40/126,099.58 = 27,899.83/x
  3. Step 3: Cross multiply
    84,056.40x = 126,099.58 × 27,899.83
  4. Step 4: Simplify right side
    84,056.40x = 3,518,156,845.07
  5. Step 5: Solve for x
    x = 3,518,156,845.07/84,056.40
  6. Step 6: Final answer
    x = 41,854.72

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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.