Home / 74,928.04-112,447.36-35,485.08

Finding the Fourth Proportional to 74,928.04, 112,447.36 and 35,485.08

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Solution

The fourth proportional to 74,928.04, 112,447.36 and 35,485.08 is: 53,253.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,928.04 : 112,447.36 = 35,485.08 : x
  2. Step 2: Convert to fraction form
    74,928.04/112,447.36 = 35,485.08/x
  3. Step 3: Cross multiply
    74,928.04x = 112,447.36 × 35,485.08
  4. Step 4: Simplify right side
    74,928.04x = 3,990,203,565.39
  5. Step 5: Solve for x
    x = 3,990,203,565.39/74,928.04
  6. Step 6: Final answer
    x = 53,253.81

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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.