Home / 84,310.47-126,381.87-46,887.66

Finding the Fourth Proportional to 84,310.47, 126,381.87 and 46,887.66

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Solution

The fourth proportional to 84,310.47, 126,381.87 and 46,887.66 is: 70,284.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,310.47 : 126,381.87 = 46,887.66 : x
  2. Step 2: Convert to fraction form
    84,310.47/126,381.87 = 46,887.66/x
  3. Step 3: Cross multiply
    84,310.47x = 126,381.87 × 46,887.66
  4. Step 4: Simplify right side
    84,310.47x = 5,925,750,150.72
  5. Step 5: Solve for x
    x = 5,925,750,150.72/84,310.47
  6. Step 6: Final answer
    x = 70,284.87

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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.