Home / 58,735.18-81,054.60-31,877.70

Finding the Fourth Proportional to 58,735.18, 81,054.60 and 31,877.70

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Solution

The fourth proportional to 58,735.18, 81,054.60 and 31,877.70 is: 43,991.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,735.18 : 81,054.60 = 31,877.70 : x
  2. Step 2: Convert to fraction form
    58,735.18/81,054.60 = 31,877.70/x
  3. Step 3: Cross multiply
    58,735.18x = 81,054.60 × 31,877.70
  4. Step 4: Simplify right side
    58,735.18x = 2,583,834,222.42
  5. Step 5: Solve for x
    x = 2,583,834,222.42/58,735.18
  6. Step 6: Final answer
    x = 43,991.25

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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.