Home / 74,738.22-103,080.40-47,883.22

Finding the Fourth Proportional to 74,738.22, 103,080.40 and 47,883.22

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Solution

The fourth proportional to 74,738.22, 103,080.40 and 47,883.22 is: 66,041.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,738.22 : 103,080.40 = 47,883.22 : x
  2. Step 2: Convert to fraction form
    74,738.22/103,080.40 = 47,883.22/x
  3. Step 3: Cross multiply
    74,738.22x = 103,080.40 × 47,883.22
  4. Step 4: Simplify right side
    74,738.22x = 4,935,821,470.89
  5. Step 5: Solve for x
    x = 4,935,821,470.89/74,738.22
  6. Step 6: Final answer
    x = 66,041.46

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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.