Home / 45,287.16-67,935.06-17,587.32

Finding the Fourth Proportional to 45,287.16, 67,935.06 and 17,587.32

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Solution

The fourth proportional to 45,287.16, 67,935.06 and 17,587.32 is: 26,382.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,287.16 : 67,935.06 = 17,587.32 : x
  2. Step 2: Convert to fraction form
    45,287.16/67,935.06 = 17,587.32/x
  3. Step 3: Cross multiply
    45,287.16x = 67,935.06 × 17,587.32
  4. Step 4: Simplify right side
    45,287.16x = 1,194,795,639.44
  5. Step 5: Solve for x
    x = 1,194,795,639.44/45,287.16
  6. Step 6: Final answer
    x = 26,382.66

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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.