Home / 89,058.40-122,875.36-51,325.44

Finding the Fourth Proportional to 89,058.40, 122,875.36 and 51,325.44

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Solution

The fourth proportional to 89,058.40, 122,875.36 and 51,325.44 is: 70,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,058.40 : 122,875.36 = 51,325.44 : x
  2. Step 2: Convert to fraction form
    89,058.40/122,875.36 = 51,325.44/x
  3. Step 3: Cross multiply
    89,058.40x = 122,875.36 × 51,325.44
  4. Step 4: Simplify right side
    89,058.40x = 6,306,631,917.16
  5. Step 5: Solve for x
    x = 6,306,631,917.16/89,058.40
  6. Step 6: Final answer
    x = 70,814.57

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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.