Home / 60,136.48-90,176.28-18,000.32

Finding the Fourth Proportional to 60,136.48, 90,176.28 and 18,000.32

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Solution

The fourth proportional to 60,136.48, 90,176.28 and 18,000.32 is: 26,991.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,136.48 : 90,176.28 = 18,000.32 : x
  2. Step 2: Convert to fraction form
    60,136.48/90,176.28 = 18,000.32/x
  3. Step 3: Cross multiply
    60,136.48x = 90,176.28 × 18,000.32
  4. Step 4: Simplify right side
    60,136.48x = 1,623,201,896.41
  5. Step 5: Solve for x
    x = 1,623,201,896.41/60,136.48
  6. Step 6: Final answer
    x = 26,991.97

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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.