Home / 56,848.48-78,446.55-31,355.81

Finding the Fourth Proportional to 56,848.48, 78,446.55 and 31,355.81

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Solution

The fourth proportional to 56,848.48, 78,446.55 and 31,355.81 is: 43,268.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,848.48 : 78,446.55 = 31,355.81 : x
  2. Step 2: Convert to fraction form
    56,848.48/78,446.55 = 31,355.81/x
  3. Step 3: Cross multiply
    56,848.48x = 78,446.55 × 31,355.81
  4. Step 4: Simplify right side
    56,848.48x = 2,459,755,048.29
  5. Step 5: Solve for x
    x = 2,459,755,048.29/56,848.48
  6. Step 6: Final answer
    x = 43,268.61

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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.