Home / 56,828.95-78,424.49-31,336.31

Finding the Fourth Proportional to 56,828.95, 78,424.49 and 31,336.31

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Solution

The fourth proportional to 56,828.95, 78,424.49 and 31,336.31 is: 43,244.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,828.95 : 78,424.49 = 31,336.31 : x
  2. Step 2: Convert to fraction form
    56,828.95/78,424.49 = 31,336.31/x
  3. Step 3: Cross multiply
    56,828.95x = 78,424.49 × 31,336.31
  4. Step 4: Simplify right side
    56,828.95x = 2,457,534,404.63
  5. Step 5: Solve for x
    x = 2,457,534,404.63/56,828.95
  6. Step 6: Final answer
    x = 43,244.41

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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.