Home / 85,093.72-127,683.64-35,209.60

Finding the Fourth Proportional to 85,093.72, 127,683.64 and 35,209.60

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Solution

The fourth proportional to 85,093.72, 127,683.64 and 35,209.60 is: 52,832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,093.72 : 127,683.64 = 35,209.60 : x
  2. Step 2: Convert to fraction form
    85,093.72/127,683.64 = 35,209.60/x
  3. Step 3: Cross multiply
    85,093.72x = 127,683.64 × 35,209.60
  4. Step 4: Simplify right side
    85,093.72x = 4,495,689,890.94
  5. Step 5: Solve for x
    x = 4,495,689,890.94/85,093.72
  6. Step 6: Final answer
    x = 52,832.22

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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.