Home / 94,141.92-129,915.18-51,699.60

Finding the Fourth Proportional to 94,141.92, 129,915.18 and 51,699.60

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Solution

The fourth proportional to 94,141.92, 129,915.18 and 51,699.60 is: 71,345.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,141.92 : 129,915.18 = 51,699.60 : x
  2. Step 2: Convert to fraction form
    94,141.92/129,915.18 = 51,699.60/x
  3. Step 3: Cross multiply
    94,141.92x = 129,915.18 × 51,699.60
  4. Step 4: Simplify right side
    94,141.92x = 6,716,562,839.93
  5. Step 5: Solve for x
    x = 6,716,562,839.93/94,141.92
  6. Step 6: Final answer
    x = 71,345.08

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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.