Home / 90,623.92-125,095.88-60,398.21

Finding the Fourth Proportional to 90,623.92, 125,095.88 and 60,398.21

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Solution

The fourth proportional to 90,623.92, 125,095.88 and 60,398.21 is: 83,372.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,623.92 : 125,095.88 = 60,398.21 : x
  2. Step 2: Convert to fraction form
    90,623.92/125,095.88 = 60,398.21/x
  3. Step 3: Cross multiply
    90,623.92x = 125,095.88 × 60,398.21
  4. Step 4: Simplify right side
    90,623.92x = 7,555,567,230.37
  5. Step 5: Solve for x
    x = 7,555,567,230.37/90,623.92
  6. Step 6: Final answer
    x = 83,372.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.