Home / 103,384.58-142,670.74-58,062.62

Finding the Fourth Proportional to 103,384.58, 142,670.74 and 58,062.62

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Solution

The fourth proportional to 103,384.58, 142,670.74 and 58,062.62 is: 80,126.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,384.58 : 142,670.74 = 58,062.62 : x
  2. Step 2: Convert to fraction form
    103,384.58/142,670.74 = 58,062.62/x
  3. Step 3: Cross multiply
    103,384.58x = 142,670.74 × 58,062.62
  4. Step 4: Simplify right side
    103,384.58x = 8,283,837,445.43
  5. Step 5: Solve for x
    x = 8,283,837,445.43/103,384.58
  6. Step 6: Final answer
    x = 80,126.43

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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.