Home / 47,030.46-70,554.78-13,750.68

Finding the Fourth Proportional to 47,030.46, 70,554.78 and 13,750.68

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Solution

The fourth proportional to 47,030.46, 70,554.78 and 13,750.68 is: 20,628.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,030.46 : 70,554.78 = 13,750.68 : x
  2. Step 2: Convert to fraction form
    47,030.46/70,554.78 = 13,750.68/x
  3. Step 3: Cross multiply
    47,030.46x = 70,554.78 × 13,750.68
  4. Step 4: Simplify right side
    47,030.46x = 970,176,202.25
  5. Step 5: Solve for x
    x = 970,176,202.25/47,030.46
  6. Step 6: Final answer
    x = 20,628.68

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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.