Home / 54,303.36-74,868.78-35,149.20

Finding the Fourth Proportional to 54,303.36, 74,868.78 and 35,149.20

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Solution

The fourth proportional to 54,303.36, 74,868.78 and 35,149.20 is: 48,460.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,303.36 : 74,868.78 = 35,149.20 : x
  2. Step 2: Convert to fraction form
    54,303.36/74,868.78 = 35,149.20/x
  3. Step 3: Cross multiply
    54,303.36x = 74,868.78 × 35,149.20
  4. Step 4: Simplify right side
    54,303.36x = 2,631,577,721.98
  5. Step 5: Solve for x
    x = 2,631,577,721.98/54,303.36
  6. Step 6: Final answer
    x = 48,460.68

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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.