Home / 77,294.36-106,670.18-43,300.80

Finding the Fourth Proportional to 77,294.36, 106,670.18 and 43,300.80

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Solution

The fourth proportional to 77,294.36, 106,670.18 and 43,300.80 is: 59,757.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,294.36 : 106,670.18 = 43,300.80 : x
  2. Step 2: Convert to fraction form
    77,294.36/106,670.18 = 43,300.80/x
  3. Step 3: Cross multiply
    77,294.36x = 106,670.18 × 43,300.80
  4. Step 4: Simplify right side
    77,294.36x = 4,618,904,130.14
  5. Step 5: Solve for x
    x = 4,618,904,130.14/77,294.36
  6. Step 6: Final answer
    x = 59,757.32

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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.