Home / 107,972.50-161,968.47-29,084.98

Finding the Fourth Proportional to 107,972.50, 161,968.47 and 29,084.98

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Solution

The fourth proportional to 107,972.50, 161,968.47 and 29,084.98 is: 43,630.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,972.50 : 161,968.47 = 29,084.98 : x
  2. Step 2: Convert to fraction form
    107,972.50/161,968.47 = 29,084.98/x
  3. Step 3: Cross multiply
    107,972.50x = 161,968.47 × 29,084.98
  4. Step 4: Simplify right side
    107,972.50x = 4,710,849,710.58
  5. Step 5: Solve for x
    x = 4,710,849,710.58/107,972.50
  6. Step 6: Final answer
    x = 43,630.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.