Home / 89,549.54-123,564.66-51,816.50

Finding the Fourth Proportional to 89,549.54, 123,564.66 and 51,816.50

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Solution

The fourth proportional to 89,549.54, 123,564.66 and 51,816.50 is: 71,498.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,549.54 : 123,564.66 = 51,816.50 : x
  2. Step 2: Convert to fraction form
    89,549.54/123,564.66 = 51,816.50/x
  3. Step 3: Cross multiply
    89,549.54x = 123,564.66 × 51,816.50
  4. Step 4: Simplify right side
    89,549.54x = 6,402,688,204.89
  5. Step 5: Solve for x
    x = 6,402,688,204.89/89,549.54
  6. Step 6: Final answer
    x = 71,498.84

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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.