Home / 116,421.46-174,486.20-49,783.38

Finding the Fourth Proportional to 116,421.46, 174,486.20 and 49,783.38

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Solution

The fourth proportional to 116,421.46, 174,486.20 and 49,783.38 is: 74,612.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,421.46 : 174,486.20 = 49,783.38 : x
  2. Step 2: Convert to fraction form
    116,421.46/174,486.20 = 49,783.38/x
  3. Step 3: Cross multiply
    116,421.46x = 174,486.20 × 49,783.38
  4. Step 4: Simplify right side
    116,421.46x = 8,686,512,799.36
  5. Step 5: Solve for x
    x = 8,686,512,799.36/116,421.46
  6. Step 6: Final answer
    x = 74,612.64

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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.