Home / 74,905.13-103,410.60-51,066.83

Finding the Fourth Proportional to 74,905.13, 103,410.60 and 51,066.83

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Solution

The fourth proportional to 74,905.13, 103,410.60 and 51,066.83 is: 70,500.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,905.13 : 103,410.60 = 51,066.83 : x
  2. Step 2: Convert to fraction form
    74,905.13/103,410.60 = 51,066.83/x
  3. Step 3: Cross multiply
    74,905.13x = 103,410.60 × 51,066.83
  4. Step 4: Simplify right side
    74,905.13x = 5,280,851,530.40
  5. Step 5: Solve for x
    x = 5,280,851,530.40/74,905.13
  6. Step 6: Final answer
    x = 70,500.53

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1.5x scale

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.