Home / 48,371.05-72,368.84-42,403.04

Finding the Fourth Proportional to 48,371.05, 72,368.84 and 42,403.04

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Solution

The fourth proportional to 48,371.05, 72,368.84 and 42,403.04 is: 63,439.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,371.05 : 72,368.84 = 42,403.04 : x
  2. Step 2: Convert to fraction form
    48,371.05/72,368.84 = 42,403.04/x
  3. Step 3: Cross multiply
    48,371.05x = 72,368.84 × 42,403.04
  4. Step 4: Simplify right side
    48,371.05x = 3,068,658,561.44
  5. Step 5: Solve for x
    x = 3,068,658,561.44/48,371.05
  6. Step 6: Final answer
    x = 63,439.99

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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.