Home / 74,548.60-111,884.10-73,965.40

Finding the Fourth Proportional to 74,548.60, 111,884.10 and 73,965.40

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Solution

The fourth proportional to 74,548.60, 111,884.10 and 73,965.40 is: 111,008.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,548.60 : 111,884.10 = 73,965.40 : x
  2. Step 2: Convert to fraction form
    74,548.60/111,884.10 = 73,965.40/x
  3. Step 3: Cross multiply
    74,548.60x = 111,884.10 × 73,965.40
  4. Step 4: Simplify right side
    74,548.60x = 8,275,552,210.14
  5. Step 5: Solve for x
    x = 8,275,552,210.14/74,548.60
  6. Step 6: Final answer
    x = 111,008.82

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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.