Home / 116,479.20-174,632.40-49,864.80

Finding the Fourth Proportional to 116,479.20, 174,632.40 and 49,864.80

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Solution

The fourth proportional to 116,479.20, 174,632.40 and 49,864.80 is: 74,760.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,479.20 : 174,632.40 = 49,864.80 : x
  2. Step 2: Convert to fraction form
    116,479.20/174,632.40 = 49,864.80/x
  3. Step 3: Cross multiply
    116,479.20x = 174,632.40 × 49,864.80
  4. Step 4: Simplify right side
    116,479.20x = 8,708,009,699.52
  5. Step 5: Solve for x
    x = 8,708,009,699.52/116,479.20
  6. Step 6: Final answer
    x = 74,760.21

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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.