Home / 90,533.52-135,623.70-59,274

Finding the Fourth Proportional to 90,533.52, 135,623.70 and 59,274

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Solution

The fourth proportional to 90,533.52, 135,623.70 and 59,274 is: 88,795.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,533.52 : 135,623.70 = 59,274 : x
  2. Step 2: Convert to fraction form
    90,533.52/135,623.70 = 59,274/x
  3. Step 3: Cross multiply
    90,533.52x = 135,623.70 × 59,274
  4. Step 4: Simplify right side
    90,533.52x = 8,038,959,193.80
  5. Step 5: Solve for x
    x = 8,038,959,193.80/90,533.52
  6. Step 6: Final answer
    x = 88,795.39

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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.