Home / 85,302.54-117,717.21-47,576.76

Finding the Fourth Proportional to 85,302.54, 117,717.21 and 47,576.76

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Solution

The fourth proportional to 85,302.54, 117,717.21 and 47,576.76 is: 65,655.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,302.54 : 117,717.21 = 47,576.76 : x
  2. Step 2: Convert to fraction form
    85,302.54/117,717.21 = 47,576.76/x
  3. Step 3: Cross multiply
    85,302.54x = 117,717.21 × 47,576.76
  4. Step 4: Simplify right side
    85,302.54x = 5,600,603,448.04
  5. Step 5: Solve for x
    x = 5,600,603,448.04/85,302.54
  6. Step 6: Final answer
    x = 65,655.76

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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.