Home / 85,702.02-128,606.13-41,333.22

Finding the Fourth Proportional to 85,702.02, 128,606.13 and 41,333.22

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Solution

The fourth proportional to 85,702.02, 128,606.13 and 41,333.22 is: 62,025.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,702.02 : 128,606.13 = 41,333.22 : x
  2. Step 2: Convert to fraction form
    85,702.02/128,606.13 = 41,333.22/x
  3. Step 3: Cross multiply
    85,702.02x = 128,606.13 × 41,333.22
  4. Step 4: Simplify right side
    85,702.02x = 5,315,705,464.64
  5. Step 5: Solve for x
    x = 5,315,705,464.64/85,702.02
  6. Step 6: Final answer
    x = 62,025.44

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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.