Home / 122,701.81-184,047.36-38,460.05

Finding the Fourth Proportional to 122,701.81, 184,047.36 and 38,460.05

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Solution

The fourth proportional to 122,701.81, 184,047.36 and 38,460.05 is: 57,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,701.81 : 184,047.36 = 38,460.05 : x
  2. Step 2: Convert to fraction form
    122,701.81/184,047.36 = 38,460.05/x
  3. Step 3: Cross multiply
    122,701.81x = 184,047.36 × 38,460.05
  4. Step 4: Simplify right side
    122,701.81x = 7,078,470,365.80
  5. Step 5: Solve for x
    x = 7,078,470,365.80/122,701.81
  6. Step 6: Final answer
    x = 57,688.40

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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.