Home / 89,885.31-124,049.30-52,157.13

Finding the Fourth Proportional to 89,885.31, 124,049.30 and 52,157.13

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Solution

The fourth proportional to 89,885.31, 124,049.30 and 52,157.13 is: 71,981.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,885.31 : 124,049.30 = 52,157.13 : x
  2. Step 2: Convert to fraction form
    89,885.31/124,049.30 = 52,157.13/x
  3. Step 3: Cross multiply
    89,885.31x = 124,049.30 × 52,157.13
  4. Step 4: Simplify right side
    89,885.31x = 6,470,055,466.51
  5. Step 5: Solve for x
    x = 6,470,055,466.51/89,885.31
  6. Step 6: Final answer
    x = 71,981.23

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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.