Home / 97,643.03-146,336.55-55,542.47

Finding the Fourth Proportional to 97,643.03, 146,336.55 and 55,542.47

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Solution

The fourth proportional to 97,643.03, 146,336.55 and 55,542.47 is: 83,240.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,643.03 : 146,336.55 = 55,542.47 : x
  2. Step 2: Convert to fraction form
    97,643.03/146,336.55 = 55,542.47/x
  3. Step 3: Cross multiply
    97,643.03x = 146,336.55 × 55,542.47
  4. Step 4: Simplify right side
    97,643.03x = 8,127,892,706.60
  5. Step 5: Solve for x
    x = 8,127,892,706.60/97,643.03
  6. Step 6: Final answer
    x = 83,240.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.