Home / 57,389.74-79,198.59-34,728.46

Finding the Fourth Proportional to 57,389.74, 79,198.59 and 34,728.46

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Solution

The fourth proportional to 57,389.74, 79,198.59 and 34,728.46 is: 47,925.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,389.74 : 79,198.59 = 34,728.46 : x
  2. Step 2: Convert to fraction form
    57,389.74/79,198.59 = 34,728.46/x
  3. Step 3: Cross multiply
    57,389.74x = 79,198.59 × 34,728.46
  4. Step 4: Simplify right side
    57,389.74x = 2,750,445,064.87
  5. Step 5: Solve for x
    x = 2,750,445,064.87/57,389.74
  6. Step 6: Final answer
    x = 47,925.73

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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.