Home / 56,929.84-78,389.27-51,589.92

Finding the Fourth Proportional to 56,929.84, 78,389.27 and 51,589.92

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Solution

The fourth proportional to 56,929.84, 78,389.27 and 51,589.92 is: 71,036.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,929.84 : 78,389.27 = 51,589.92 : x
  2. Step 2: Convert to fraction form
    56,929.84/78,389.27 = 51,589.92/x
  3. Step 3: Cross multiply
    56,929.84x = 78,389.27 × 51,589.92
  4. Step 4: Simplify right side
    56,929.84x = 4,044,096,168.16
  5. Step 5: Solve for x
    x = 4,044,096,168.16/56,929.84
  6. Step 6: Final answer
    x = 71,036.49

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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.