Home / 55,960.64-77,225.84-30,467.28

Finding the Fourth Proportional to 55,960.64, 77,225.84 and 30,467.28

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Solution

The fourth proportional to 55,960.64, 77,225.84 and 30,467.28 is: 42,044.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,960.64 : 77,225.84 = 30,467.28 : x
  2. Step 2: Convert to fraction form
    55,960.64/77,225.84 = 30,467.28/x
  3. Step 3: Cross multiply
    55,960.64x = 77,225.84 × 30,467.28
  4. Step 4: Simplify right side
    55,960.64x = 2,352,861,290.52
  5. Step 5: Solve for x
    x = 2,352,861,290.52/55,960.64
  6. Step 6: Final answer
    x = 42,044.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.