Home / 84,388.76-116,430.18-56,099.24

Finding the Fourth Proportional to 84,388.76, 116,430.18 and 56,099.24

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Solution

The fourth proportional to 84,388.76, 116,430.18 and 56,099.24 is: 77,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,388.76 : 116,430.18 = 56,099.24 : x
  2. Step 2: Convert to fraction form
    84,388.76/116,430.18 = 56,099.24/x
  3. Step 3: Cross multiply
    84,388.76x = 116,430.18 × 56,099.24
  4. Step 4: Simplify right side
    84,388.76x = 6,531,644,611.06
  5. Step 5: Solve for x
    x = 6,531,644,611.06/84,388.76
  6. Step 6: Final answer
    x = 77,399.46

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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.