Home / 74,192.16-102,390.21-41,915.59

Finding the Fourth Proportional to 74,192.16, 102,390.21 and 41,915.59

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Solution

The fourth proportional to 74,192.16, 102,390.21 and 41,915.59 is: 57,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,192.16 : 102,390.21 = 41,915.59 : x
  2. Step 2: Convert to fraction form
    74,192.16/102,390.21 = 41,915.59/x
  3. Step 3: Cross multiply
    74,192.16x = 102,390.21 × 41,915.59
  4. Step 4: Simplify right side
    74,192.16x = 4,291,745,701.61
  5. Step 5: Solve for x
    x = 4,291,745,701.61/74,192.16
  6. Step 6: Final answer
    x = 57,846.35

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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.