Home / 85,444.07-117,912.11-47,203.56

Finding the Fourth Proportional to 85,444.07, 117,912.11 and 47,203.56

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Solution

The fourth proportional to 85,444.07, 117,912.11 and 47,203.56 is: 65,140.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,444.07 : 117,912.11 = 47,203.56 : x
  2. Step 2: Convert to fraction form
    85,444.07/117,912.11 = 47,203.56/x
  3. Step 3: Cross multiply
    85,444.07x = 117,912.11 × 47,203.56
  4. Step 4: Simplify right side
    85,444.07x = 5,565,871,123.09
  5. Step 5: Solve for x
    x = 5,565,871,123.09/85,444.07
  6. Step 6: Final answer
    x = 65,140.52

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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.