Home / 74,125.37-102,291.79-40,133.59

Finding the Fourth Proportional to 74,125.37, 102,291.79 and 40,133.59

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Solution

The fourth proportional to 74,125.37, 102,291.79 and 40,133.59 is: 55,383.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,125.37 : 102,291.79 = 40,133.59 : x
  2. Step 2: Convert to fraction form
    74,125.37/102,291.79 = 40,133.59/x
  3. Step 3: Cross multiply
    74,125.37x = 102,291.79 × 40,133.59
  4. Step 4: Simplify right side
    74,125.37x = 4,105,336,248.77
  5. Step 5: Solve for x
    x = 4,105,336,248.77/74,125.37
  6. Step 6: Final answer
    x = 55,383.69

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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.