Home / 90,530.52-135,619.20-59,271

Finding the Fourth Proportional to 90,530.52, 135,619.20 and 59,271

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Solution

The fourth proportional to 90,530.52, 135,619.20 and 59,271 is: 88,790.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,530.52 : 135,619.20 = 59,271 : x
  2. Step 2: Convert to fraction form
    90,530.52/135,619.20 = 59,271/x
  3. Step 3: Cross multiply
    90,530.52x = 135,619.20 × 59,271
  4. Step 4: Simplify right side
    90,530.52x = 8,038,285,603.20
  5. Step 5: Solve for x
    x = 8,038,285,603.20/90,530.52
  6. Step 6: Final answer
    x = 88,790.89

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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.