Home / 74,260.71-102,480.02-40,269.18

Finding the Fourth Proportional to 74,260.71, 102,480.02 and 40,269.18

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Solution

The fourth proportional to 74,260.71, 102,480.02 and 40,269.18 is: 55,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,260.71 : 102,480.02 = 40,269.18 : x
  2. Step 2: Convert to fraction form
    74,260.71/102,480.02 = 40,269.18/x
  3. Step 3: Cross multiply
    74,260.71x = 102,480.02 × 40,269.18
  4. Step 4: Simplify right side
    74,260.71x = 4,126,786,371.78
  5. Step 5: Solve for x
    x = 4,126,786,371.78/74,260.71
  6. Step 6: Final answer
    x = 55,571.60

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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.