Home / 84,436.47-126,529.35-46,944.96

Finding the Fourth Proportional to 84,436.47, 126,529.35 and 46,944.96

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Solution

The fourth proportional to 84,436.47, 126,529.35 and 46,944.96 is: 70,347.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,436.47 : 126,529.35 = 46,944.96 : x
  2. Step 2: Convert to fraction form
    84,436.47/126,529.35 = 46,944.96/x
  3. Step 3: Cross multiply
    84,436.47x = 126,529.35 × 46,944.96
  4. Step 4: Simplify right side
    84,436.47x = 5,939,915,274.58
  5. Step 5: Solve for x
    x = 5,939,915,274.58/84,436.47
  6. Step 6: Final answer
    x = 70,347.75

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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.