Home / 75,027.12-103,547.20-43,197.36

Finding the Fourth Proportional to 75,027.12, 103,547.20 and 43,197.36

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Solution

The fourth proportional to 75,027.12, 103,547.20 and 43,197.36 is: 59,617.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,027.12 : 103,547.20 = 43,197.36 : x
  2. Step 2: Convert to fraction form
    75,027.12/103,547.20 = 43,197.36/x
  3. Step 3: Cross multiply
    75,027.12x = 103,547.20 × 43,197.36
  4. Step 4: Simplify right side
    75,027.12x = 4,472,965,675.39
  5. Step 5: Solve for x
    x = 4,472,965,675.39/75,027.12
  6. Step 6: Final answer
    x = 59,617.98

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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.