Home / 81,671.60-122,343.37-37,237.23

Finding the Fourth Proportional to 81,671.60, 122,343.37 and 37,237.23

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Solution

The fourth proportional to 81,671.60, 122,343.37 and 37,237.23 is: 55,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,671.60 : 122,343.37 = 37,237.23 : x
  2. Step 2: Convert to fraction form
    81,671.60/122,343.37 = 37,237.23/x
  3. Step 3: Cross multiply
    81,671.60x = 122,343.37 × 37,237.23
  4. Step 4: Simplify right side
    81,671.60x = 4,555,727,901.81
  5. Step 5: Solve for x
    x = 4,555,727,901.81/81,671.60
  6. Step 6: Final answer
    x = 55,781.05

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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.