Home / 89,386.66-123,323.40-51,118.99

Finding the Fourth Proportional to 89,386.66, 123,323.40 and 51,118.99

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Solution

The fourth proportional to 89,386.66, 123,323.40 and 51,118.99 is: 70,526.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,386.66 : 123,323.40 = 51,118.99 : x
  2. Step 2: Convert to fraction form
    89,386.66/123,323.40 = 51,118.99/x
  3. Step 3: Cross multiply
    89,386.66x = 123,323.40 × 51,118.99
  4. Step 4: Simplify right side
    89,386.66x = 6,304,167,651.37
  5. Step 5: Solve for x
    x = 6,304,167,651.37/89,386.66
  6. Step 6: Final answer
    x = 70,526.94

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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.