Home / 74,987.93-112,527.27-32,870.45

Finding the Fourth Proportional to 74,987.93, 112,527.27 and 32,870.45

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Solution

The fourth proportional to 74,987.93, 112,527.27 and 32,870.45 is: 49,325.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,987.93 : 112,527.27 = 32,870.45 : x
  2. Step 2: Convert to fraction form
    74,987.93/112,527.27 = 32,870.45/x
  3. Step 3: Cross multiply
    74,987.93x = 112,527.27 × 32,870.45
  4. Step 4: Simplify right side
    74,987.93x = 3,698,821,439.54
  5. Step 5: Solve for x
    x = 3,698,821,439.54/74,987.93
  6. Step 6: Final answer
    x = 49,325.56

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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.