Home / 79,877.12-110,208.48-48,041.60

Finding the Fourth Proportional to 79,877.12, 110,208.48 and 48,041.60

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Solution

The fourth proportional to 79,877.12, 110,208.48 and 48,041.60 is: 66,284.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,877.12 : 110,208.48 = 48,041.60 : x
  2. Step 2: Convert to fraction form
    79,877.12/110,208.48 = 48,041.60/x
  3. Step 3: Cross multiply
    79,877.12x = 110,208.48 × 48,041.60
  4. Step 4: Simplify right side
    79,877.12x = 5,294,591,712.77
  5. Step 5: Solve for x
    x = 5,294,591,712.77/79,877.12
  6. Step 6: Final answer
    x = 66,284.21

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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.