Home / 108,651.44-149,937.64-60,904.72

Finding the Fourth Proportional to 108,651.44, 149,937.64 and 60,904.72

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Solution

The fourth proportional to 108,651.44, 149,937.64 and 60,904.72 is: 84,047.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,651.44 : 149,937.64 = 60,904.72 : x
  2. Step 2: Convert to fraction form
    108,651.44/149,937.64 = 60,904.72/x
  3. Step 3: Cross multiply
    108,651.44x = 149,937.64 × 60,904.72
  4. Step 4: Simplify right side
    108,651.44x = 9,131,909,981.66
  5. Step 5: Solve for x
    x = 9,131,909,981.66/108,651.44
  6. Step 6: Final answer
    x = 84,047.76

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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.