Home / 45,347.19-68,019.63-12,067.54

Finding the Fourth Proportional to 45,347.19, 68,019.63 and 12,067.54

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Solution

The fourth proportional to 45,347.19, 68,019.63 and 12,067.54 is: 18,101.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,347.19 : 68,019.63 = 12,067.54 : x
  2. Step 2: Convert to fraction form
    45,347.19/68,019.63 = 12,067.54/x
  3. Step 3: Cross multiply
    45,347.19x = 68,019.63 × 12,067.54
  4. Step 4: Simplify right side
    45,347.19x = 820,829,605.81
  5. Step 5: Solve for x
    x = 820,829,605.81/45,347.19
  6. Step 6: Final answer
    x = 18,101.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.