Home / 89,971.94-124,044.81-61,626.98

Finding the Fourth Proportional to 89,971.94, 124,044.81 and 61,626.98

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Solution

The fourth proportional to 89,971.94, 124,044.81 and 61,626.98 is: 84,965.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,971.94 : 124,044.81 = 61,626.98 : x
  2. Step 2: Convert to fraction form
    89,971.94/124,044.81 = 61,626.98/x
  3. Step 3: Cross multiply
    89,971.94x = 124,044.81 × 61,626.98
  4. Step 4: Simplify right side
    89,971.94x = 7,644,507,024.97
  5. Step 5: Solve for x
    x = 7,644,507,024.97/89,971.94
  6. Step 6: Final answer
    x = 84,965.46

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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.