Home / 91,027.80-136,541.70-35,623.80

Finding the Fourth Proportional to 91,027.80, 136,541.70 and 35,623.80

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Solution

The fourth proportional to 91,027.80, 136,541.70 and 35,623.80 is: 53,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,027.80 : 136,541.70 = 35,623.80 : x
  2. Step 2: Convert to fraction form
    91,027.80/136,541.70 = 35,623.80/x
  3. Step 3: Cross multiply
    91,027.80x = 136,541.70 × 35,623.80
  4. Step 4: Simplify right side
    91,027.80x = 4,864,134,212.46
  5. Step 5: Solve for x
    x = 4,864,134,212.46/91,027.80
  6. Step 6: Final answer
    x = 53,435.70

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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.