Home / 49,463.22-74,268.94-42,820.20

Finding the Fourth Proportional to 49,463.22, 74,268.94 and 42,820.20

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Solution

The fourth proportional to 49,463.22, 74,268.94 and 42,820.20 is: 64,294.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,463.22 : 74,268.94 = 42,820.20 : x
  2. Step 2: Convert to fraction form
    49,463.22/74,268.94 = 42,820.20/x
  3. Step 3: Cross multiply
    49,463.22x = 74,268.94 × 42,820.20
  4. Step 4: Simplify right side
    49,463.22x = 3,180,210,864.59
  5. Step 5: Solve for x
    x = 3,180,210,864.59/49,463.22
  6. Step 6: Final answer
    x = 64,294.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.