Home / 58,439.08-80,639.98-34,561.09

Finding the Fourth Proportional to 58,439.08, 80,639.98 and 34,561.09

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Solution

The fourth proportional to 58,439.08, 80,639.98 and 34,561.09 is: 47,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,439.08 : 80,639.98 = 34,561.09 : x
  2. Step 2: Convert to fraction form
    58,439.08/80,639.98 = 34,561.09/x
  3. Step 3: Cross multiply
    58,439.08x = 80,639.98 × 34,561.09
  4. Step 4: Simplify right side
    58,439.08x = 2,787,005,606.38
  5. Step 5: Solve for x
    x = 2,787,005,606.38/58,439.08
  6. Step 6: Final answer
    x = 47,690.79

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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.