Home / 103,580.64-142,919.85-60,551.82

Finding the Fourth Proportional to 103,580.64, 142,919.85 and 60,551.82

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Solution

The fourth proportional to 103,580.64, 142,919.85 and 60,551.82 is: 83,548.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,580.64 : 142,919.85 = 60,551.82 : x
  2. Step 2: Convert to fraction form
    103,580.64/142,919.85 = 60,551.82/x
  3. Step 3: Cross multiply
    103,580.64x = 142,919.85 × 60,551.82
  4. Step 4: Simplify right side
    103,580.64x = 8,654,057,031.63
  5. Step 5: Solve for x
    x = 8,654,057,031.63/103,580.64
  6. Step 6: Final answer
    x = 83,548.98

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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.