Home / 106,835.42-147,426.90-58,427.72

Finding the Fourth Proportional to 106,835.42, 147,426.90 and 58,427.72

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Solution

The fourth proportional to 106,835.42, 147,426.90 and 58,427.72 is: 80,626.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,835.42 : 147,426.90 = 58,427.72 : x
  2. Step 2: Convert to fraction form
    106,835.42/147,426.90 = 58,427.72/x
  3. Step 3: Cross multiply
    106,835.42x = 147,426.90 × 58,427.72
  4. Step 4: Simplify right side
    106,835.42x = 8,613,817,633.67
  5. Step 5: Solve for x
    x = 8,613,817,633.67/106,835.42
  6. Step 6: Final answer
    x = 80,626.98

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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.