Home / 102,125.18-140,949.64-59,675.52

Finding the Fourth Proportional to 102,125.18, 140,949.64 and 59,675.52

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Solution

The fourth proportional to 102,125.18, 140,949.64 and 59,675.52 is: 82,362.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,125.18 : 140,949.64 = 59,675.52 : x
  2. Step 2: Convert to fraction form
    102,125.18/140,949.64 = 59,675.52/x
  3. Step 3: Cross multiply
    102,125.18x = 140,949.64 × 59,675.52
  4. Step 4: Simplify right side
    102,125.18x = 8,411,243,060.81
  5. Step 5: Solve for x
    x = 8,411,243,060.81/102,125.18
  6. Step 6: Final answer
    x = 82,362.09

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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.