Home / 89,973.74-124,157.50-49,687.14

Finding the Fourth Proportional to 89,973.74, 124,157.50 and 49,687.14

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Solution

The fourth proportional to 89,973.74, 124,157.50 and 49,687.14 is: 68,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,973.74 : 124,157.50 = 49,687.14 : x
  2. Step 2: Convert to fraction form
    89,973.74/124,157.50 = 49,687.14/x
  3. Step 3: Cross multiply
    89,973.74x = 124,157.50 × 49,687.14
  4. Step 4: Simplify right side
    89,973.74x = 6,169,031,612.25
  5. Step 5: Solve for x
    x = 6,169,031,612.25/89,973.74
  6. Step 6: Final answer
    x = 68,564.81

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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.