Home / 56,929.21-85,393.63-15,376.21

Finding the Fourth Proportional to 56,929.21, 85,393.63 and 15,376.21

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Solution

The fourth proportional to 56,929.21, 85,393.63 and 15,376.21 is: 23,064.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,929.21 : 85,393.63 = 15,376.21 : x
  2. Step 2: Convert to fraction form
    56,929.21/85,393.63 = 15,376.21/x
  3. Step 3: Cross multiply
    56,929.21x = 85,393.63 × 15,376.21
  4. Step 4: Simplify right side
    56,929.21x = 1,313,030,193.28
  5. Step 5: Solve for x
    x = 1,313,030,193.28/56,929.21
  6. Step 6: Final answer
    x = 23,064.26

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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.