Home / 48,721.20-72,952.20-31,095.60

Finding the Fourth Proportional to 48,721.20, 72,952.20 and 31,095.60

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Solution

The fourth proportional to 48,721.20, 72,952.20 and 31,095.60 is: 46,560.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,721.20 : 72,952.20 = 31,095.60 : x
  2. Step 2: Convert to fraction form
    48,721.20/72,952.20 = 31,095.60/x
  3. Step 3: Cross multiply
    48,721.20x = 72,952.20 × 31,095.60
  4. Step 4: Simplify right side
    48,721.20x = 2,268,492,430.32
  5. Step 5: Solve for x
    x = 2,268,492,430.32/48,721.20
  6. Step 6: Final answer
    x = 46,560.68

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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.