Home / 84,350.36-126,530.94-31,056.68

Finding the Fourth Proportional to 84,350.36, 126,530.94 and 31,056.68

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Solution

The fourth proportional to 84,350.36, 126,530.94 and 31,056.68 is: 46,587.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,350.36 : 126,530.94 = 31,056.68 : x
  2. Step 2: Convert to fraction form
    84,350.36/126,530.94 = 31,056.68/x
  3. Step 3: Cross multiply
    84,350.36x = 126,530.94 × 31,056.68
  4. Step 4: Simplify right side
    84,350.36x = 3,929,630,913.68
  5. Step 5: Solve for x
    x = 3,929,630,913.68/84,350.36
  6. Step 6: Final answer
    x = 46,587.01

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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.