Home / 75,624.21-113,436.35-31,202.16

Finding the Fourth Proportional to 75,624.21, 113,436.35 and 31,202.16

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Solution

The fourth proportional to 75,624.21, 113,436.35 and 31,202.16 is: 46,803.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,624.21 : 113,436.35 = 31,202.16 : x
  2. Step 2: Convert to fraction form
    75,624.21/113,436.35 = 31,202.16/x
  3. Step 3: Cross multiply
    75,624.21x = 113,436.35 × 31,202.16
  4. Step 4: Simplify right side
    75,624.21x = 3,539,458,986.51
  5. Step 5: Solve for x
    x = 3,539,458,986.51/75,624.21
  6. Step 6: Final answer
    x = 46,803.25

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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.