Home / 57,409.07-79,263.18-51,340.48

Finding the Fourth Proportional to 57,409.07, 79,263.18 and 51,340.48

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Solution

The fourth proportional to 57,409.07, 79,263.18 and 51,340.48 is: 70,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,409.07 : 79,263.18 = 51,340.48 : x
  2. Step 2: Convert to fraction form
    57,409.07/79,263.18 = 51,340.48/x
  3. Step 3: Cross multiply
    57,409.07x = 79,263.18 × 51,340.48
  4. Step 4: Simplify right side
    57,409.07x = 4,069,409,450.82
  5. Step 5: Solve for x
    x = 4,069,409,450.82/57,409.07
  6. Step 6: Final answer
    x = 70,884.43

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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.