Home / 59,643.21-89,464.60-30,085.90

Finding the Fourth Proportional to 59,643.21, 89,464.60 and 30,085.90

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Solution

The fourth proportional to 59,643.21, 89,464.60 and 30,085.90 is: 45,128.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,643.21 : 89,464.60 = 30,085.90 : x
  2. Step 2: Convert to fraction form
    59,643.21/89,464.60 = 30,085.90/x
  3. Step 3: Cross multiply
    59,643.21x = 89,464.60 × 30,085.90
  4. Step 4: Simplify right side
    59,643.21x = 2,691,623,009.14
  5. Step 5: Solve for x
    x = 2,691,623,009.14/59,643.21
  6. Step 6: Final answer
    x = 45,128.74

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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.