Home / 103,220.24-142,473.40-60,803.24

Finding the Fourth Proportional to 103,220.24, 142,473.40 and 60,803.24

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Solution

The fourth proportional to 103,220.24, 142,473.40 and 60,803.24 is: 83,925.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,220.24 : 142,473.40 = 60,803.24 : x
  2. Step 2: Convert to fraction form
    103,220.24/142,473.40 = 60,803.24/x
  3. Step 3: Cross multiply
    103,220.24x = 142,473.40 × 60,803.24
  4. Step 4: Simplify right side
    103,220.24x = 8,662,843,469.44
  5. Step 5: Solve for x
    x = 8,662,843,469.44/103,220.24
  6. Step 6: Final answer
    x = 83,925.83

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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.