Home / 89,985.34-124,184.64-51,744.43

Finding the Fourth Proportional to 89,985.34, 124,184.64 and 51,744.43

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Solution

The fourth proportional to 89,985.34, 124,184.64 and 51,744.43 is: 71,410.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,985.34 : 124,184.64 = 51,744.43 : x
  2. Step 2: Convert to fraction form
    89,985.34/124,184.64 = 51,744.43/x
  3. Step 3: Cross multiply
    89,985.34x = 124,184.64 × 51,744.43
  4. Step 4: Simplify right side
    89,985.34x = 6,425,863,411.56
  5. Step 5: Solve for x
    x = 6,425,863,411.56/89,985.34
  6. Step 6: Final answer
    x = 71,410.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.