Home / 56,926.84-85,382.32-31,289.22

Finding the Fourth Proportional to 56,926.84, 85,382.32 and 31,289.22

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Solution

The fourth proportional to 56,926.84, 85,382.32 and 31,289.22 is: 46,929.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,926.84 : 85,382.32 = 31,289.22 : x
  2. Step 2: Convert to fraction form
    56,926.84/85,382.32 = 31,289.22/x
  3. Step 3: Cross multiply
    56,926.84x = 85,382.32 × 31,289.22
  4. Step 4: Simplify right side
    56,926.84x = 2,671,546,182.59
  5. Step 5: Solve for x
    x = 2,671,546,182.59/56,926.84
  6. Step 6: Final answer
    x = 46,929.46

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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.