Home / 60,623.34-90,935.18-21,180.45

Finding the Fourth Proportional to 60,623.34, 90,935.18 and 21,180.45

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Solution

The fourth proportional to 60,623.34, 90,935.18 and 21,180.45 is: 31,770.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,623.34 : 90,935.18 = 21,180.45 : x
  2. Step 2: Convert to fraction form
    60,623.34/90,935.18 = 21,180.45/x
  3. Step 3: Cross multiply
    60,623.34x = 90,935.18 × 21,180.45
  4. Step 4: Simplify right side
    60,623.34x = 1,926,047,927.33
  5. Step 5: Solve for x
    x = 1,926,047,927.33/60,623.34
  6. Step 6: Final answer
    x = 31,770.73

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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.