Home / 57,507.57-79,260.69-54,186.06

Finding the Fourth Proportional to 57,507.57, 79,260.69 and 54,186.06

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Solution

The fourth proportional to 57,507.57, 79,260.69 and 54,186.06 is: 74,682.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,507.57 : 79,260.69 = 54,186.06 : x
  2. Step 2: Convert to fraction form
    57,507.57/79,260.69 = 54,186.06/x
  3. Step 3: Cross multiply
    57,507.57x = 79,260.69 × 54,186.06
  4. Step 4: Simplify right side
    57,507.57x = 4,294,824,503.98
  5. Step 5: Solve for x
    x = 4,294,824,503.98/57,507.57
  6. Step 6: Final answer
    x = 74,682.77

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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.