Home / 102,193.93-141,026.59-56,871.14

Finding the Fourth Proportional to 102,193.93, 141,026.59 and 56,871.14

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Solution

The fourth proportional to 102,193.93, 141,026.59 and 56,871.14 is: 78,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,193.93 : 141,026.59 = 56,871.14 : x
  2. Step 2: Convert to fraction form
    102,193.93/141,026.59 = 56,871.14/x
  3. Step 3: Cross multiply
    102,193.93x = 141,026.59 × 56,871.14
  4. Step 4: Simplify right side
    102,193.93x = 8,020,342,952.49
  5. Step 5: Solve for x
    x = 8,020,342,952.49/102,193.93
  6. Step 6: Final answer
    x = 78,481.60

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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.