Home / 60,256.49-90,267.10-28,621.53

Finding the Fourth Proportional to 60,256.49, 90,267.10 and 28,621.53

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Solution

The fourth proportional to 60,256.49, 90,267.10 and 28,621.53 is: 42,876.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,256.49 : 90,267.10 = 28,621.53 : x
  2. Step 2: Convert to fraction form
    60,256.49/90,267.10 = 28,621.53/x
  3. Step 3: Cross multiply
    60,256.49x = 90,267.10 × 28,621.53
  4. Step 4: Simplify right side
    60,256.49x = 2,583,582,439.11
  5. Step 5: Solve for x
    x = 2,583,582,439.11/60,256.49
  6. Step 6: Final answer
    x = 42,876.42

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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.