Home / 66,319.56-91,486.08-41,125.32

Finding the Fourth Proportional to 66,319.56, 91,486.08 and 41,125.32

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Solution

The fourth proportional to 66,319.56, 91,486.08 and 41,125.32 is: 56,731.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,319.56 : 91,486.08 = 41,125.32 : x
  2. Step 2: Convert to fraction form
    66,319.56/91,486.08 = 41,125.32/x
  3. Step 3: Cross multiply
    66,319.56x = 91,486.08 × 41,125.32
  4. Step 4: Simplify right side
    66,319.56x = 3,762,394,315.55
  5. Step 5: Solve for x
    x = 3,762,394,315.55/66,319.56
  6. Step 6: Final answer
    x = 56,731.29

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1.5x scale

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.