Home / 51,197.36-70,661.40-40,667.36

Finding the Fourth Proportional to 51,197.36, 70,661.40 and 40,667.36

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Solution

The fourth proportional to 51,197.36, 70,661.40 and 40,667.36 is: 56,128.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,197.36 : 70,661.40 = 40,667.36 : x
  2. Step 2: Convert to fraction form
    51,197.36/70,661.40 = 40,667.36/x
  3. Step 3: Cross multiply
    51,197.36x = 70,661.40 × 40,667.36
  4. Step 4: Simplify right side
    51,197.36x = 2,873,612,591.90
  5. Step 5: Solve for x
    x = 2,873,612,591.90/51,197.36
  6. Step 6: Final answer
    x = 56,128.14

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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.