Home / 52,844.39-72,924.87-28,970.65

Finding the Fourth Proportional to 52,844.39, 72,924.87 and 28,970.65

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Solution

The fourth proportional to 52,844.39, 72,924.87 and 28,970.65 is: 39,979.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,844.39 : 72,924.87 = 28,970.65 : x
  2. Step 2: Convert to fraction form
    52,844.39/72,924.87 = 28,970.65/x
  3. Step 3: Cross multiply
    52,844.39x = 72,924.87 × 28,970.65
  4. Step 4: Simplify right side
    52,844.39x = 2,112,680,885.07
  5. Step 5: Solve for x
    x = 2,112,680,885.07/52,844.39
  6. Step 6: Final answer
    x = 39,979.28

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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.