Home / 60,578.04-90,871.14-20,601.06

Finding the Fourth Proportional to 60,578.04, 90,871.14 and 20,601.06

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Solution

The fourth proportional to 60,578.04, 90,871.14 and 20,601.06 is: 30,902.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,578.04 : 90,871.14 = 20,601.06 : x
  2. Step 2: Convert to fraction form
    60,578.04/90,871.14 = 20,601.06/x
  3. Step 3: Cross multiply
    60,578.04x = 90,871.14 × 20,601.06
  4. Step 4: Simplify right side
    60,578.04x = 1,872,041,807.41
  5. Step 5: Solve for x
    x = 1,872,041,807.41/60,578.04
  6. Step 6: Final answer
    x = 30,902.98

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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.