Home / 56,149.47-77,393.96-39,802.16

Finding the Fourth Proportional to 56,149.47, 77,393.96 and 39,802.16

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Solution

The fourth proportional to 56,149.47, 77,393.96 and 39,802.16 is: 54,861.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,149.47 : 77,393.96 = 39,802.16 : x
  2. Step 2: Convert to fraction form
    56,149.47/77,393.96 = 39,802.16/x
  3. Step 3: Cross multiply
    56,149.47x = 77,393.96 × 39,802.16
  4. Step 4: Simplify right side
    56,149.47x = 3,080,446,192.97
  5. Step 5: Solve for x
    x = 3,080,446,192.97/56,149.47
  6. Step 6: Final answer
    x = 54,861.54

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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.