Home / 91,268.28-136,569.34-53,846.28

Finding the Fourth Proportional to 91,268.28, 136,569.34 and 53,846.28

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Solution

The fourth proportional to 91,268.28, 136,569.34 and 53,846.28 is: 80,572.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,268.28 : 136,569.34 = 53,846.28 : x
  2. Step 2: Convert to fraction form
    91,268.28/136,569.34 = 53,846.28/x
  3. Step 3: Cross multiply
    91,268.28x = 136,569.34 × 53,846.28
  4. Step 4: Simplify right side
    91,268.28x = 7,353,750,921.06
  5. Step 5: Solve for x
    x = 7,353,750,921.06/91,268.28
  6. Step 6: Final answer
    x = 80,572.91

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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.