Home / 52,208.64-78,320.16-17,151.84

Finding the Fourth Proportional to 52,208.64, 78,320.16 and 17,151.84

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Solution

The fourth proportional to 52,208.64, 78,320.16 and 17,151.84 is: 25,730.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,208.64 : 78,320.16 = 17,151.84 : x
  2. Step 2: Convert to fraction form
    52,208.64/78,320.16 = 17,151.84/x
  3. Step 3: Cross multiply
    52,208.64x = 78,320.16 × 17,151.84
  4. Step 4: Simplify right side
    52,208.64x = 1,343,334,853.09
  5. Step 5: Solve for x
    x = 1,343,334,853.09/52,208.64
  6. Step 6: Final answer
    x = 25,730.13

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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.