Home / 74,837.97-103,275.90-40,846.32

Finding the Fourth Proportional to 74,837.97, 103,275.90 and 40,846.32

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Solution

The fourth proportional to 74,837.97, 103,275.90 and 40,846.32 is: 56,367.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,837.97 : 103,275.90 = 40,846.32 : x
  2. Step 2: Convert to fraction form
    74,837.97/103,275.90 = 40,846.32/x
  3. Step 3: Cross multiply
    74,837.97x = 103,275.90 × 40,846.32
  4. Step 4: Simplify right side
    74,837.97x = 4,218,440,459.69
  5. Step 5: Solve for x
    x = 4,218,440,459.69/74,837.97
  6. Step 6: Final answer
    x = 56,367.65

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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.