Home / 58,136.12-80,228.86-32,643.91

Finding the Fourth Proportional to 58,136.12, 80,228.86 and 32,643.91

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Solution

The fourth proportional to 58,136.12, 80,228.86 and 32,643.91 is: 45,049.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,136.12 : 80,228.86 = 32,643.91 : x
  2. Step 2: Convert to fraction form
    58,136.12/80,228.86 = 32,643.91/x
  3. Step 3: Cross multiply
    58,136.12x = 80,228.86 × 32,643.91
  4. Step 4: Simplify right side
    58,136.12x = 2,618,983,403.06
  5. Step 5: Solve for x
    x = 2,618,983,403.06/58,136.12
  6. Step 6: Final answer
    x = 45,049.16

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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.