Home / 53,315.01-79,955.10-17,768.70

Finding the Fourth Proportional to 53,315.01, 79,955.10 and 17,768.70

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Solution

The fourth proportional to 53,315.01, 79,955.10 and 17,768.70 is: 26,647.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,315.01 : 79,955.10 = 17,768.70 : x
  2. Step 2: Convert to fraction form
    53,315.01/79,955.10 = 17,768.70/x
  3. Step 3: Cross multiply
    53,315.01x = 79,955.10 × 17,768.70
  4. Step 4: Simplify right side
    53,315.01x = 1,420,698,185.37
  5. Step 5: Solve for x
    x = 1,420,698,185.37/53,315.01
  6. Step 6: Final answer
    x = 26,647.25

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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.