Home / 89,985.22-124,203.62-51,748.94

Finding the Fourth Proportional to 89,985.22, 124,203.62 and 51,748.94

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Solution

The fourth proportional to 89,985.22, 124,203.62 and 51,748.94 is: 71,427.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,985.22 : 124,203.62 = 51,748.94 : x
  2. Step 2: Convert to fraction form
    89,985.22/124,203.62 = 51,748.94/x
  3. Step 3: Cross multiply
    89,985.22x = 124,203.62 × 51,748.94
  4. Step 4: Simplify right side
    89,985.22x = 6,427,405,679.16
  5. Step 5: Solve for x
    x = 6,427,405,679.16/89,985.22
  6. Step 6: Final answer
    x = 71,427.35

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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.