Home / 56,570.79-84,867.12-19,136.95

Finding the Fourth Proportional to 56,570.79, 84,867.12 and 19,136.95

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Solution

The fourth proportional to 56,570.79, 84,867.12 and 19,136.95 is: 28,709.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,570.79 : 84,867.12 = 19,136.95 : x
  2. Step 2: Convert to fraction form
    56,570.79/84,867.12 = 19,136.95/x
  3. Step 3: Cross multiply
    56,570.79x = 84,867.12 × 19,136.95
  4. Step 4: Simplify right side
    56,570.79x = 1,624,097,832.08
  5. Step 5: Solve for x
    x = 1,624,097,832.08/56,570.79
  6. Step 6: Final answer
    x = 28,709.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.