Home / 53,271.14-79,809.81-31,017.05

Finding the Fourth Proportional to 53,271.14, 79,809.81 and 31,017.05

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Solution

The fourth proportional to 53,271.14, 79,809.81 and 31,017.05 is: 46,469.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,271.14 : 79,809.81 = 31,017.05 : x
  2. Step 2: Convert to fraction form
    53,271.14/79,809.81 = 31,017.05/x
  3. Step 3: Cross multiply
    53,271.14x = 79,809.81 × 31,017.05
  4. Step 4: Simplify right side
    53,271.14x = 2,475,464,950.47
  5. Step 5: Solve for x
    x = 2,475,464,950.47/53,271.14
  6. Step 6: Final answer
    x = 46,469.15

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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.