Home / 97,181.47-145,772.21-55,599.31

Finding the Fourth Proportional to 97,181.47, 145,772.21 and 55,599.31

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Solution

The fourth proportional to 97,181.47, 145,772.21 and 55,599.31 is: 83,398.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,181.47 : 145,772.21 = 55,599.31 : x
  2. Step 2: Convert to fraction form
    97,181.47/145,772.21 = 55,599.31/x
  3. Step 3: Cross multiply
    97,181.47x = 145,772.21 × 55,599.31
  4. Step 4: Simplify right side
    97,181.47x = 8,104,834,588.11
  5. Step 5: Solve for x
    x = 8,104,834,588.11/97,181.47
  6. Step 6: Final answer
    x = 83,398.97

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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.