Home / 75,669.12-104,373.36-47,325.60

Finding the Fourth Proportional to 75,669.12, 104,373.36 and 47,325.60

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Solution

The fourth proportional to 75,669.12, 104,373.36 and 47,325.60 is: 65,278.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,669.12 : 104,373.36 = 47,325.60 : x
  2. Step 2: Convert to fraction form
    75,669.12/104,373.36 = 47,325.60/x
  3. Step 3: Cross multiply
    75,669.12x = 104,373.36 × 47,325.60
  4. Step 4: Simplify right side
    75,669.12x = 4,939,531,886.02
  5. Step 5: Solve for x
    x = 4,939,531,886.02/75,669.12
  6. Step 6: Final answer
    x = 65,278.04

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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.