Home / 89,288.61-123,223.83-59,021.45

Finding the Fourth Proportional to 89,288.61, 123,223.83 and 59,021.45

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Solution

The fourth proportional to 89,288.61, 123,223.83 and 59,021.45 is: 81,453.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,288.61 : 123,223.83 = 59,021.45 : x
  2. Step 2: Convert to fraction form
    89,288.61/123,223.83 = 59,021.45/x
  3. Step 3: Cross multiply
    89,288.61x = 123,223.83 × 59,021.45
  4. Step 4: Simplify right side
    89,288.61x = 7,272,848,505.03
  5. Step 5: Solve for x
    x = 7,272,848,505.03/89,288.61
  6. Step 6: Final answer
    x = 81,453.26

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1.5x scale

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.