Home / 85,563.74-118,030.56-49,749.79

Finding the Fourth Proportional to 85,563.74, 118,030.56 and 49,749.79

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Solution

The fourth proportional to 85,563.74, 118,030.56 and 49,749.79 is: 68,627.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,563.74 : 118,030.56 = 49,749.79 : x
  2. Step 2: Convert to fraction form
    85,563.74/118,030.56 = 49,749.79/x
  3. Step 3: Cross multiply
    85,563.74x = 118,030.56 × 49,749.79
  4. Step 4: Simplify right side
    85,563.74x = 5,871,995,573.58
  5. Step 5: Solve for x
    x = 5,871,995,573.58/85,563.74
  6. Step 6: Final answer
    x = 68,627.15

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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.