Home / 75,128.02-112,697.49-22,541.60

Finding the Fourth Proportional to 75,128.02, 112,697.49 and 22,541.60

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Solution

The fourth proportional to 75,128.02, 112,697.49 and 22,541.60 is: 33,814.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,128.02 : 112,697.49 = 22,541.60 : x
  2. Step 2: Convert to fraction form
    75,128.02/112,697.49 = 22,541.60/x
  3. Step 3: Cross multiply
    75,128.02x = 112,697.49 × 22,541.60
  4. Step 4: Simplify right side
    75,128.02x = 2,540,381,740.58
  5. Step 5: Solve for x
    x = 2,540,381,740.58/75,128.02
  6. Step 6: Final answer
    x = 33,814.04

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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.