Home / 75,361.40-113,055.06-31,012.28

Finding the Fourth Proportional to 75,361.40, 113,055.06 and 31,012.28

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Solution

The fourth proportional to 75,361.40, 113,055.06 and 31,012.28 is: 46,523.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,361.40 : 113,055.06 = 31,012.28 : x
  2. Step 2: Convert to fraction form
    75,361.40/113,055.06 = 31,012.28/x
  3. Step 3: Cross multiply
    75,361.40x = 113,055.06 × 31,012.28
  4. Step 4: Simplify right side
    75,361.40x = 3,506,095,176.14
  5. Step 5: Solve for x
    x = 3,506,095,176.14/75,361.40
  6. Step 6: Final answer
    x = 46,523.75

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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.