Home / 89,869.50-124,019.91-50,125.50

Finding the Fourth Proportional to 89,869.50, 124,019.91 and 50,125.50

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Solution

The fourth proportional to 89,869.50, 124,019.91 and 50,125.50 is: 69,173.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,869.50 : 124,019.91 = 50,125.50 : x
  2. Step 2: Convert to fraction form
    89,869.50/124,019.91 = 50,125.50/x
  3. Step 3: Cross multiply
    89,869.50x = 124,019.91 × 50,125.50
  4. Step 4: Simplify right side
    89,869.50x = 6,216,559,998.71
  5. Step 5: Solve for x
    x = 6,216,559,998.71/89,869.50
  6. Step 6: Final answer
    x = 69,173.19

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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.