Home / 48,136.32-72,106.20-28,355.04

Finding the Fourth Proportional to 48,136.32, 72,106.20 and 28,355.04

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Solution

The fourth proportional to 48,136.32, 72,106.20 and 28,355.04 is: 42,474.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,136.32 : 72,106.20 = 28,355.04 : x
  2. Step 2: Convert to fraction form
    48,136.32/72,106.20 = 28,355.04/x
  3. Step 3: Cross multiply
    48,136.32x = 72,106.20 × 28,355.04
  4. Step 4: Simplify right side
    48,136.32x = 2,044,574,185.25
  5. Step 5: Solve for x
    x = 2,044,574,185.25/48,136.32
  6. Step 6: Final answer
    x = 42,474.67

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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.