Home / 85,067.47-127,601.20-40,670.00

Finding the Fourth Proportional to 85,067.47, 127,601.20 and 40,670.00

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Solution

The fourth proportional to 85,067.47, 127,601.20 and 40,670.00 is: 61,005.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,067.47 : 127,601.20 = 40,670.00 : x
  2. Step 2: Convert to fraction form
    85,067.47/127,601.20 = 40,670.00/x
  3. Step 3: Cross multiply
    85,067.47x = 127,601.20 × 40,670.00
  4. Step 4: Simplify right side
    85,067.47x = 5,189,540,580.95
  5. Step 5: Solve for x
    x = 5,189,540,580.95/85,067.47
  6. Step 6: Final answer
    x = 61,005.00

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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.