Home / 89,938.44-124,131.29-53,642.21

Finding the Fourth Proportional to 89,938.44, 124,131.29 and 53,642.21

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Solution

The fourth proportional to 89,938.44, 124,131.29 and 53,642.21 is: 74,035.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,938.44 : 124,131.29 = 53,642.21 : x
  2. Step 2: Convert to fraction form
    89,938.44/124,131.29 = 53,642.21/x
  3. Step 3: Cross multiply
    89,938.44x = 124,131.29 × 53,642.21
  4. Step 4: Simplify right side
    89,938.44x = 6,658,676,503.53
  5. Step 5: Solve for x
    x = 6,658,676,503.53/89,938.44
  6. Step 6: Final answer
    x = 74,035.94

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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.