Home / 56,709.54-85,068.23-19,254.33

Finding the Fourth Proportional to 56,709.54, 85,068.23 and 19,254.33

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Solution

The fourth proportional to 56,709.54, 85,068.23 and 19,254.33 is: 28,882.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,709.54 : 85,068.23 = 19,254.33 : x
  2. Step 2: Convert to fraction form
    56,709.54/85,068.23 = 19,254.33/x
  3. Step 3: Cross multiply
    56,709.54x = 85,068.23 × 19,254.33
  4. Step 4: Simplify right side
    56,709.54x = 1,637,931,676.66
  5. Step 5: Solve for x
    x = 1,637,931,676.66/56,709.54
  6. Step 6: Final answer
    x = 28,882.82

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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.