Home / 51,735.56-77,632.50-51,340.28

Finding the Fourth Proportional to 51,735.56, 77,632.50 and 51,340.28

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Solution

The fourth proportional to 51,735.56, 77,632.50 and 51,340.28 is: 77,039.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,735.56 : 77,632.50 = 51,340.28 : x
  2. Step 2: Convert to fraction form
    51,735.56/77,632.50 = 51,340.28/x
  3. Step 3: Cross multiply
    51,735.56x = 77,632.50 × 51,340.28
  4. Step 4: Simplify right side
    51,735.56x = 3,985,674,287.10
  5. Step 5: Solve for x
    x = 3,985,674,287.10/51,735.56
  6. Step 6: Final answer
    x = 77,039.36

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1.5x scale

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.