Home / 84,032.02-126,050.46-31,431.46

Finding the Fourth Proportional to 84,032.02, 126,050.46 and 31,431.46

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Solution

The fourth proportional to 84,032.02, 126,050.46 and 31,431.46 is: 47,148.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,032.02 : 126,050.46 = 31,431.46 : x
  2. Step 2: Convert to fraction form
    84,032.02/126,050.46 = 31,431.46/x
  3. Step 3: Cross multiply
    84,032.02x = 126,050.46 × 31,431.46
  4. Step 4: Simplify right side
    84,032.02x = 3,961,949,991.47
  5. Step 5: Solve for x
    x = 3,961,949,991.47/84,032.02
  6. Step 6: Final answer
    x = 47,148.10

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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.