Home / 48,138.77-72,148.02-23,174.18

Finding the Fourth Proportional to 48,138.77, 72,148.02 and 23,174.18

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Solution

The fourth proportional to 48,138.77, 72,148.02 and 23,174.18 is: 34,732.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,138.77 : 72,148.02 = 23,174.18 : x
  2. Step 2: Convert to fraction form
    48,138.77/72,148.02 = 23,174.18/x
  3. Step 3: Cross multiply
    48,138.77x = 72,148.02 × 23,174.18
  4. Step 4: Simplify right side
    48,138.77x = 1,671,971,202.12
  5. Step 5: Solve for x
    x = 1,671,971,202.12/48,138.77
  6. Step 6: Final answer
    x = 34,732.32

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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.