Home / 57,157.80-78,880.62-34,496.46

Finding the Fourth Proportional to 57,157.80, 78,880.62 and 34,496.46

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Solution

The fourth proportional to 57,157.80, 78,880.62 and 34,496.46 is: 47,606.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,157.80 : 78,880.62 = 34,496.46 : x
  2. Step 2: Convert to fraction form
    57,157.80/78,880.62 = 34,496.46/x
  3. Step 3: Cross multiply
    57,157.80x = 78,880.62 × 34,496.46
  4. Step 4: Simplify right side
    57,157.80x = 2,721,102,152.61
  5. Step 5: Solve for x
    x = 2,721,102,152.61/57,157.80
  6. Step 6: Final answer
    x = 47,606.84

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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.