Home / 77,200.20-106,515.24-46,986.76

Finding the Fourth Proportional to 77,200.20, 106,515.24 and 46,986.76

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Solution

The fourth proportional to 77,200.20, 106,515.24 and 46,986.76 is: 64,828.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,200.20 : 106,515.24 = 46,986.76 : x
  2. Step 2: Convert to fraction form
    77,200.20/106,515.24 = 46,986.76/x
  3. Step 3: Cross multiply
    77,200.20x = 106,515.24 × 46,986.76
  4. Step 4: Simplify right side
    77,200.20x = 5,004,806,018.22
  5. Step 5: Solve for x
    x = 5,004,806,018.22/77,200.20
  6. Step 6: Final answer
    x = 64,828.93

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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.