Home / 77,308.02-115,922.95-27,381.04

Finding the Fourth Proportional to 77,308.02, 115,922.95 and 27,381.04

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Solution

The fourth proportional to 77,308.02, 115,922.95 and 27,381.04 is: 41,057.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,308.02 : 115,922.95 = 27,381.04 : x
  2. Step 2: Convert to fraction form
    77,308.02/115,922.95 = 27,381.04/x
  3. Step 3: Cross multiply
    77,308.02x = 115,922.95 × 27,381.04
  4. Step 4: Simplify right side
    77,308.02x = 3,174,090,572.61
  5. Step 5: Solve for x
    x = 3,174,090,572.61/77,308.02
  6. Step 6: Final answer
    x = 41,057.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.