Home / 53,126.19-79,676.53-15,676.14

Finding the Fourth Proportional to 53,126.19, 79,676.53 and 15,676.14

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Solution

The fourth proportional to 53,126.19, 79,676.53 and 15,676.14 is: 23,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,126.19 : 79,676.53 = 15,676.14 : x
  2. Step 2: Convert to fraction form
    53,126.19/79,676.53 = 15,676.14/x
  3. Step 3: Cross multiply
    53,126.19x = 79,676.53 × 15,676.14
  4. Step 4: Simplify right side
    53,126.19x = 1,249,020,698.59
  5. Step 5: Solve for x
    x = 1,249,020,698.59/53,126.19
  6. Step 6: Final answer
    x = 23,510.45

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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.