Home / 48,200.10-72,256.95-42,951.30

Finding the Fourth Proportional to 48,200.10, 72,256.95 and 42,951.30

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Solution

The fourth proportional to 48,200.10, 72,256.95 and 42,951.30 is: 64,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,200.10 : 72,256.95 = 42,951.30 : x
  2. Step 2: Convert to fraction form
    48,200.10/72,256.95 = 42,951.30/x
  3. Step 3: Cross multiply
    48,200.10x = 72,256.95 × 42,951.30
  4. Step 4: Simplify right side
    48,200.10x = 3,103,529,936.54
  5. Step 5: Solve for x
    x = 3,103,529,936.54/48,200.10
  6. Step 6: Final answer
    x = 64,388.45

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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.