Home / 74,010.97-102,135.95-40,476.25

Finding the Fourth Proportional to 74,010.97, 102,135.95 and 40,476.25

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Solution

The fourth proportional to 74,010.97, 102,135.95 and 40,476.25 is: 55,857.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,010.97 : 102,135.95 = 40,476.25 : x
  2. Step 2: Convert to fraction form
    74,010.97/102,135.95 = 40,476.25/x
  3. Step 3: Cross multiply
    74,010.97x = 102,135.95 × 40,476.25
  4. Step 4: Simplify right side
    74,010.97x = 4,134,080,043.81
  5. Step 5: Solve for x
    x = 4,134,080,043.81/74,010.97
  6. Step 6: Final answer
    x = 55,857.67

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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.