Home / 56,136.24-77,477.63-53,613.90

Finding the Fourth Proportional to 56,136.24, 77,477.63 and 53,613.90

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Solution

The fourth proportional to 56,136.24, 77,477.63 and 53,613.90 is: 73,996.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,136.24 : 77,477.63 = 53,613.90 : x
  2. Step 2: Convert to fraction form
    56,136.24/77,477.63 = 53,613.90/x
  3. Step 3: Cross multiply
    56,136.24x = 77,477.63 × 53,613.90
  4. Step 4: Simplify right side
    56,136.24x = 4,153,877,638.99
  5. Step 5: Solve for x
    x = 4,153,877,638.99/56,136.24
  6. Step 6: Final answer
    x = 73,996.36

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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.