Home / 58,786.58-81,123.18-34,912.64

Finding the Fourth Proportional to 58,786.58, 81,123.18 and 34,912.64

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Solution

The fourth proportional to 58,786.58, 81,123.18 and 34,912.64 is: 48,178.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,786.58 : 81,123.18 = 34,912.64 : x
  2. Step 2: Convert to fraction form
    58,786.58/81,123.18 = 34,912.64/x
  3. Step 3: Cross multiply
    58,786.58x = 81,123.18 × 34,912.64
  4. Step 4: Simplify right side
    58,786.58x = 2,832,224,379.00
  5. Step 5: Solve for x
    x = 2,832,224,379.00/58,786.58
  6. Step 6: Final answer
    x = 48,178.08

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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.