Home / 108,822.64-150,053.96-70,531.78

Finding the Fourth Proportional to 108,822.64, 150,053.96 and 70,531.78

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Solution

The fourth proportional to 108,822.64, 150,053.96 and 70,531.78 is: 97,255.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,822.64 : 150,053.96 = 70,531.78 : x
  2. Step 2: Convert to fraction form
    108,822.64/150,053.96 = 70,531.78/x
  3. Step 3: Cross multiply
    108,822.64x = 150,053.96 × 70,531.78
  4. Step 4: Simplify right side
    108,822.64x = 10,583,572,894.85
  5. Step 5: Solve for x
    x = 10,583,572,894.85/108,822.64
  6. Step 6: Final answer
    x = 97,255.25

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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.