Home / 69,142.08-95,431.59-45,254.84

Finding the Fourth Proportional to 69,142.08, 95,431.59 and 45,254.84

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Solution

The fourth proportional to 69,142.08, 95,431.59 and 45,254.84 is: 62,461.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,142.08 : 95,431.59 = 45,254.84 : x
  2. Step 2: Convert to fraction form
    69,142.08/95,431.59 = 45,254.84/x
  3. Step 3: Cross multiply
    69,142.08x = 95,431.59 × 45,254.84
  4. Step 4: Simplify right side
    69,142.08x = 4,318,741,574.97
  5. Step 5: Solve for x
    x = 4,318,741,574.97/69,142.08
  6. Step 6: Final answer
    x = 62,461.84

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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.