Home / 108,387.39-149,574.60-60,651.96

Finding the Fourth Proportional to 108,387.39, 149,574.60 and 60,651.96

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Solution

The fourth proportional to 108,387.39, 149,574.60 and 60,651.96 is: 83,699.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,387.39 : 149,574.60 = 60,651.96 : x
  2. Step 2: Convert to fraction form
    108,387.39/149,574.60 = 60,651.96/x
  3. Step 3: Cross multiply
    108,387.39x = 149,574.60 × 60,651.96
  4. Step 4: Simplify right side
    108,387.39x = 9,071,992,656.22
  5. Step 5: Solve for x
    x = 9,071,992,656.22/108,387.39
  6. Step 6: Final answer
    x = 83,699.71

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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.