Home / 76,854.11-106,056.06-42,400.22

Finding the Fourth Proportional to 76,854.11, 106,056.06 and 42,400.22

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Solution

The fourth proportional to 76,854.11, 106,056.06 and 42,400.22 is: 58,510.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,854.11 : 106,056.06 = 42,400.22 : x
  2. Step 2: Convert to fraction form
    76,854.11/106,056.06 = 42,400.22/x
  3. Step 3: Cross multiply
    76,854.11x = 106,056.06 × 42,400.22
  4. Step 4: Simplify right side
    76,854.11x = 4,496,800,276.33
  5. Step 5: Solve for x
    x = 4,496,800,276.33/76,854.11
  6. Step 6: Final answer
    x = 58,510.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.