Home / 74,519.51-102,836.43-42,260.22

Finding the Fourth Proportional to 74,519.51, 102,836.43 and 42,260.22

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Solution

The fourth proportional to 74,519.51, 102,836.43 and 42,260.22 is: 58,318.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,519.51 : 102,836.43 = 42,260.22 : x
  2. Step 2: Convert to fraction form
    74,519.51/102,836.43 = 42,260.22/x
  3. Step 3: Cross multiply
    74,519.51x = 102,836.43 × 42,260.22
  4. Step 4: Simplify right side
    74,519.51x = 4,345,890,155.81
  5. Step 5: Solve for x
    x = 4,345,890,155.81/74,519.51
  6. Step 6: Final answer
    x = 58,318.83

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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.