Home / 77,681.48-116,497.50-25,078.72

Finding the Fourth Proportional to 77,681.48, 116,497.50 and 25,078.72

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Solution

The fourth proportional to 77,681.48, 116,497.50 and 25,078.72 is: 37,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,681.48 : 116,497.50 = 25,078.72 : x
  2. Step 2: Convert to fraction form
    77,681.48/116,497.50 = 25,078.72/x
  3. Step 3: Cross multiply
    77,681.48x = 116,497.50 × 25,078.72
  4. Step 4: Simplify right side
    77,681.48x = 2,921,608,183.20
  5. Step 5: Solve for x
    x = 2,921,608,183.20/77,681.48
  6. Step 6: Final answer
    x = 37,610.10

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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.