Home / 78,884.24-118,345.20-25,576.24

Finding the Fourth Proportional to 78,884.24, 118,345.20 and 25,576.24

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Solution

The fourth proportional to 78,884.24, 118,345.20 and 25,576.24 is: 38,370.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,884.24 : 118,345.20 = 25,576.24 : x
  2. Step 2: Convert to fraction form
    78,884.24/118,345.20 = 25,576.24/x
  3. Step 3: Cross multiply
    78,884.24x = 118,345.20 × 25,576.24
  4. Step 4: Simplify right side
    78,884.24x = 3,026,825,238.05
  5. Step 5: Solve for x
    x = 3,026,825,238.05/78,884.24
  6. Step 6: Final answer
    x = 38,370.47

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1.5x scale

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.