Home / 108,547.36-149,793.60-60,800.56

Finding the Fourth Proportional to 108,547.36, 149,793.60 and 60,800.56

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Solution

The fourth proportional to 108,547.36, 149,793.60 and 60,800.56 is: 83,903.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,547.36 : 149,793.60 = 60,800.56 : x
  2. Step 2: Convert to fraction form
    108,547.36/149,793.60 = 60,800.56/x
  3. Step 3: Cross multiply
    108,547.36x = 149,793.60 × 60,800.56
  4. Step 4: Simplify right side
    108,547.36x = 9,107,534,617.93
  5. Step 5: Solve for x
    x = 9,107,534,617.93/108,547.36
  6. Step 6: Final answer
    x = 83,903.79

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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.