Home / 108,055.52-149,116.80-60,308.86

Finding the Fourth Proportional to 108,055.52, 149,116.80 and 60,308.86

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Solution

The fourth proportional to 108,055.52, 149,116.80 and 60,308.86 is: 83,226.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,055.52 : 149,116.80 = 60,308.86 : x
  2. Step 2: Convert to fraction form
    108,055.52/149,116.80 = 60,308.86/x
  3. Step 3: Cross multiply
    108,055.52x = 149,116.80 × 60,308.86
  4. Step 4: Simplify right side
    108,055.52x = 8,993,064,214.85
  5. Step 5: Solve for x
    x = 8,993,064,214.85/108,055.52
  6. Step 6: Final answer
    x = 83,226.33

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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.