Home / 90,529.52-135,617.70-59,270

Finding the Fourth Proportional to 90,529.52, 135,617.70 and 59,270

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Solution

The fourth proportional to 90,529.52, 135,617.70 and 59,270 is: 88,789.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,529.52 : 135,617.70 = 59,270 : x
  2. Step 2: Convert to fraction form
    90,529.52/135,617.70 = 59,270/x
  3. Step 3: Cross multiply
    90,529.52x = 135,617.70 × 59,270
  4. Step 4: Simplify right side
    90,529.52x = 8,038,061,079.00
  5. Step 5: Solve for x
    x = 8,038,061,079.00/90,529.52
  6. Step 6: Final answer
    x = 88,789.39

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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.