Home / 84,030.18-126,032.31-37,274.82

Finding the Fourth Proportional to 84,030.18, 126,032.31 and 37,274.82

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Solution

The fourth proportional to 84,030.18, 126,032.31 and 37,274.82 is: 55,906.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,030.18 : 126,032.31 = 37,274.82 : x
  2. Step 2: Convert to fraction form
    84,030.18/126,032.31 = 37,274.82/x
  3. Step 3: Cross multiply
    84,030.18x = 126,032.31 × 37,274.82
  4. Step 4: Simplify right side
    84,030.18x = 4,697,831,669.43
  5. Step 5: Solve for x
    x = 4,697,831,669.43/84,030.18
  6. Step 6: Final answer
    x = 55,906.48

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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.