Home / 89,460.48-123,461.91-53,649.84

Finding the Fourth Proportional to 89,460.48, 123,461.91 and 53,649.84

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Solution

The fourth proportional to 89,460.48, 123,461.91 and 53,649.84 is: 74,040.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,460.48 : 123,461.91 = 53,649.84 : x
  2. Step 2: Convert to fraction form
    89,460.48/123,461.91 = 53,649.84/x
  3. Step 3: Cross multiply
    89,460.48x = 123,461.91 × 53,649.84
  4. Step 4: Simplify right side
    89,460.48x = 6,623,711,717.59
  5. Step 5: Solve for x
    x = 6,623,711,717.59/89,460.48
  6. Step 6: Final answer
    x = 74,040.65

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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.