Home / 48,322.40-72,490.80-17,155.04

Finding the Fourth Proportional to 48,322.40, 72,490.80 and 17,155.04

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Solution

The fourth proportional to 48,322.40, 72,490.80 and 17,155.04 is: 25,735.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,322.40 : 72,490.80 = 17,155.04 : x
  2. Step 2: Convert to fraction form
    48,322.40/72,490.80 = 17,155.04/x
  3. Step 3: Cross multiply
    48,322.40x = 72,490.80 × 17,155.04
  4. Step 4: Simplify right side
    48,322.40x = 1,243,582,573.63
  5. Step 5: Solve for x
    x = 1,243,582,573.63/48,322.40
  6. Step 6: Final answer
    x = 25,735.12

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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.