Home / 74,932.12-103,426.86-46,621.08

Finding the Fourth Proportional to 74,932.12, 103,426.86 and 46,621.08

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Solution

The fourth proportional to 74,932.12, 103,426.86 and 46,621.08 is: 64,349.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,932.12 : 103,426.86 = 46,621.08 : x
  2. Step 2: Convert to fraction form
    74,932.12/103,426.86 = 46,621.08/x
  3. Step 3: Cross multiply
    74,932.12x = 103,426.86 × 46,621.08
  4. Step 4: Simplify right side
    74,932.12x = 4,821,871,914.21
  5. Step 5: Solve for x
    x = 4,821,871,914.21/74,932.12
  6. Step 6: Final answer
    x = 64,349.87

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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.