Home / 65,558.31-90,393.09-44,871.80

Finding the Fourth Proportional to 65,558.31, 90,393.09 and 44,871.80

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Solution

The fourth proportional to 65,558.31, 90,393.09 and 44,871.80 is: 61,870.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,558.31 : 90,393.09 = 44,871.80 : x
  2. Step 2: Convert to fraction form
    65,558.31/90,393.09 = 44,871.80/x
  3. Step 3: Cross multiply
    65,558.31x = 90,393.09 × 44,871.80
  4. Step 4: Simplify right side
    65,558.31x = 4,056,100,416.06
  5. Step 5: Solve for x
    x = 4,056,100,416.06/65,558.31
  6. Step 6: Final answer
    x = 61,870.12

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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.