Home / 74,032.52-102,164.48-40,040.73

Finding the Fourth Proportional to 74,032.52, 102,164.48 and 40,040.73

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Solution

The fourth proportional to 74,032.52, 102,164.48 and 40,040.73 is: 55,255.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,032.52 : 102,164.48 = 40,040.73 : x
  2. Step 2: Convert to fraction form
    74,032.52/102,164.48 = 40,040.73/x
  3. Step 3: Cross multiply
    74,032.52x = 102,164.48 × 40,040.73
  4. Step 4: Simplify right side
    74,032.52x = 4,090,740,159.07
  5. Step 5: Solve for x
    x = 4,090,740,159.07/74,032.52
  6. Step 6: Final answer
    x = 55,255.99

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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.