Home / 103,973.28-156,029.10-56,600.31

Finding the Fourth Proportional to 103,973.28, 156,029.10 and 56,600.31

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Solution

The fourth proportional to 103,973.28, 156,029.10 and 56,600.31 is: 84,938.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,973.28 : 156,029.10 = 56,600.31 : x
  2. Step 2: Convert to fraction form
    103,973.28/156,029.10 = 56,600.31/x
  3. Step 3: Cross multiply
    103,973.28x = 156,029.10 × 56,600.31
  4. Step 4: Simplify right side
    103,973.28x = 8,831,294,648.88
  5. Step 5: Solve for x
    x = 8,831,294,648.88/103,973.28
  6. Step 6: Final answer
    x = 84,938.12

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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.