Home / 46,765.69-70,179.31-20,470.46

Finding the Fourth Proportional to 46,765.69, 70,179.31 and 20,470.46

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Solution

The fourth proportional to 46,765.69, 70,179.31 and 20,470.46 is: 30,719.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,765.69 : 70,179.31 = 20,470.46 : x
  2. Step 2: Convert to fraction form
    46,765.69/70,179.31 = 20,470.46/x
  3. Step 3: Cross multiply
    46,765.69x = 70,179.31 × 20,470.46
  4. Step 4: Simplify right side
    46,765.69x = 1,436,602,432.87
  5. Step 5: Solve for x
    x = 1,436,602,432.87/46,765.69
  6. Step 6: Final answer
    x = 30,719.16

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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.