Home / 56,995.75-85,495.36-19,555.29

Finding the Fourth Proportional to 56,995.75, 85,495.36 and 19,555.29

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Solution

The fourth proportional to 56,995.75, 85,495.36 and 19,555.29 is: 29,333.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,995.75 : 85,495.36 = 19,555.29 : x
  2. Step 2: Convert to fraction form
    56,995.75/85,495.36 = 19,555.29/x
  3. Step 3: Cross multiply
    56,995.75x = 85,495.36 × 19,555.29
  4. Step 4: Simplify right side
    56,995.75x = 1,671,886,509.57
  5. Step 5: Solve for x
    x = 1,671,886,509.57/56,995.75
  6. Step 6: Final answer
    x = 29,333.53

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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.