Home / 69,748.58-96,299.36-53,587.08

Finding the Fourth Proportional to 69,748.58, 96,299.36 and 53,587.08

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Solution

The fourth proportional to 69,748.58, 96,299.36 and 53,587.08 is: 73,985.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,748.58 : 96,299.36 = 53,587.08 : x
  2. Step 2: Convert to fraction form
    69,748.58/96,299.36 = 53,587.08/x
  3. Step 3: Cross multiply
    69,748.58x = 96,299.36 × 53,587.08
  4. Step 4: Simplify right side
    69,748.58x = 5,160,401,240.33
  5. Step 5: Solve for x
    x = 5,160,401,240.33/69,748.58
  6. Step 6: Final answer
    x = 73,985.76

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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.