Home / 85,548.06-128,285.41-29,393.82

Finding the Fourth Proportional to 85,548.06, 128,285.41 and 29,393.82

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Solution

The fourth proportional to 85,548.06, 128,285.41 and 29,393.82 is: 44,078.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,548.06 : 128,285.41 = 29,393.82 : x
  2. Step 2: Convert to fraction form
    85,548.06/128,285.41 = 29,393.82/x
  3. Step 3: Cross multiply
    85,548.06x = 128,285.41 × 29,393.82
  4. Step 4: Simplify right side
    85,548.06x = 3,770,798,250.17
  5. Step 5: Solve for x
    x = 3,770,798,250.17/85,548.06
  6. Step 6: Final answer
    x = 44,078.13

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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.