Home / 99,985.47-150,033.56-59,905.96

Finding the Fourth Proportional to 99,985.47, 150,033.56 and 59,905.96

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Solution

The fourth proportional to 99,985.47, 150,033.56 and 59,905.96 is: 89,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,985.47 : 150,033.56 = 59,905.96 : x
  2. Step 2: Convert to fraction form
    99,985.47/150,033.56 = 59,905.96/x
  3. Step 3: Cross multiply
    99,985.47x = 150,033.56 × 59,905.96
  4. Step 4: Simplify right side
    99,985.47x = 8,987,904,444.02
  5. Step 5: Solve for x
    x = 8,987,904,444.02/99,985.47
  6. Step 6: Final answer
    x = 89,892.11

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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.