Home / 86,228.90-118,972.56-50,427.74

Finding the Fourth Proportional to 86,228.90, 118,972.56 and 50,427.74

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Solution

The fourth proportional to 86,228.90, 118,972.56 and 50,427.74 is: 69,576.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,228.90 : 118,972.56 = 50,427.74 : x
  2. Step 2: Convert to fraction form
    86,228.90/118,972.56 = 50,427.74/x
  3. Step 3: Cross multiply
    86,228.90x = 118,972.56 × 50,427.74
  4. Step 4: Simplify right side
    86,228.90x = 5,999,517,322.81
  5. Step 5: Solve for x
    x = 5,999,517,322.81/86,228.90
  6. Step 6: Final answer
    x = 69,576.64

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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.