Home / 74,800.43-103,222.35-40,809.59

Finding the Fourth Proportional to 74,800.43, 103,222.35 and 40,809.59

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Solution

The fourth proportional to 74,800.43, 103,222.35 and 40,809.59 is: 56,316.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,800.43 : 103,222.35 = 40,809.59 : x
  2. Step 2: Convert to fraction form
    74,800.43/103,222.35 = 40,809.59/x
  3. Step 3: Cross multiply
    74,800.43x = 103,222.35 × 40,809.59
  4. Step 4: Simplify right side
    74,800.43x = 4,212,461,653.31
  5. Step 5: Solve for x
    x = 4,212,461,653.31/74,800.43
  6. Step 6: Final answer
    x = 56,316.01

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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.