Home / 105,251.48-145,240.07-59,934.09

Finding the Fourth Proportional to 105,251.48, 145,240.07 and 59,934.09

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Solution

The fourth proportional to 105,251.48, 145,240.07 and 59,934.09 is: 82,705.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,251.48 : 145,240.07 = 59,934.09 : x
  2. Step 2: Convert to fraction form
    105,251.48/145,240.07 = 59,934.09/x
  3. Step 3: Cross multiply
    105,251.48x = 145,240.07 × 59,934.09
  4. Step 4: Simplify right side
    105,251.48x = 8,704,831,127.32
  5. Step 5: Solve for x
    x = 8,704,831,127.32/105,251.48
  6. Step 6: Final answer
    x = 82,705.07

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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.