Home / 62,119.76-85,622.67-43,947

Finding the Fourth Proportional to 62,119.76, 85,622.67 and 43,947

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Solution

The fourth proportional to 62,119.76, 85,622.67 and 43,947 is: 60,574.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,119.76 : 85,622.67 = 43,947 : x
  2. Step 2: Convert to fraction form
    62,119.76/85,622.67 = 43,947/x
  3. Step 3: Cross multiply
    62,119.76x = 85,622.67 × 43,947
  4. Step 4: Simplify right side
    62,119.76x = 3,762,859,478.49
  5. Step 5: Solve for x
    x = 3,762,859,478.49/62,119.76
  6. Step 6: Final answer
    x = 60,574.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.