Home / 56,848.94-78,447.16-31,356.26

Finding the Fourth Proportional to 56,848.94, 78,447.16 and 31,356.26

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Solution

The fourth proportional to 56,848.94, 78,447.16 and 31,356.26 is: 43,269.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,848.94 : 78,447.16 = 31,356.26 : x
  2. Step 2: Convert to fraction form
    56,848.94/78,447.16 = 31,356.26/x
  3. Step 3: Cross multiply
    56,848.94x = 78,447.16 × 31,356.26
  4. Step 4: Simplify right side
    56,848.94x = 2,459,809,545.22
  5. Step 5: Solve for x
    x = 2,459,809,545.22/56,848.94
  6. Step 6: Final answer
    x = 43,269.22

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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.