Home / 120,541.13-180,811.69-46,669.13

Finding the Fourth Proportional to 120,541.13, 180,811.69 and 46,669.13

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Solution

The fourth proportional to 120,541.13, 180,811.69 and 46,669.13 is: 70,003.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,541.13 : 180,811.69 = 46,669.13 : x
  2. Step 2: Convert to fraction form
    120,541.13/180,811.69 = 46,669.13/x
  3. Step 3: Cross multiply
    120,541.13x = 180,811.69 × 46,669.13
  4. Step 4: Simplify right side
    120,541.13x = 8,438,323,245.40
  5. Step 5: Solve for x
    x = 8,438,323,245.40/120,541.13
  6. Step 6: Final answer
    x = 70,003.69

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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.