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Finding the Fourth Proportional to 60,164.16, 90,329.06 and 30,601.99

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Solution

The fourth proportional to 60,164.16, 90,329.06 and 30,601.99 is: 45,945.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,164.16 : 90,329.06 = 30,601.99 : x
  2. Step 2: Convert to fraction form
    60,164.16/90,329.06 = 30,601.99/x
  3. Step 3: Cross multiply
    60,164.16x = 90,329.06 × 30,601.99
  4. Step 4: Simplify right side
    60,164.16x = 2,764,248,990.83
  5. Step 5: Solve for x
    x = 2,764,248,990.83/60,164.16
  6. Step 6: Final answer
    x = 45,945.11

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1.5x scale

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.