Home / 53,129.00-79,680.75-15,678.96

Finding the Fourth Proportional to 53,129.00, 79,680.75 and 15,678.96

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Solution

The fourth proportional to 53,129.00, 79,680.75 and 15,678.96 is: 23,514.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,129.00 : 79,680.75 = 15,678.96 : x
  2. Step 2: Convert to fraction form
    53,129.00/79,680.75 = 15,678.96/x
  3. Step 3: Cross multiply
    53,129.00x = 79,680.75 × 15,678.96
  4. Step 4: Simplify right side
    53,129.00x = 1,249,310,934.42
  5. Step 5: Solve for x
    x = 1,249,310,934.42/53,129.00
  6. Step 6: Final answer
    x = 23,514.67

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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.