Home / 85,119.56-127,368.30-50,075.72

Finding the Fourth Proportional to 85,119.56, 127,368.30 and 50,075.72

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Solution

The fourth proportional to 85,119.56, 127,368.30 and 50,075.72 is: 74,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,119.56 : 127,368.30 = 50,075.72 : x
  2. Step 2: Convert to fraction form
    85,119.56/127,368.30 = 50,075.72/x
  3. Step 3: Cross multiply
    85,119.56x = 127,368.30 × 50,075.72
  4. Step 4: Simplify right side
    85,119.56x = 6,378,059,327.68
  5. Step 5: Solve for x
    x = 6,378,059,327.68/85,119.56
  6. Step 6: Final answer
    x = 74,930.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.