Home / 76,190.51-114,210.42-36,139.25

Finding the Fourth Proportional to 76,190.51, 114,210.42 and 36,139.25

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Solution

The fourth proportional to 76,190.51, 114,210.42 and 36,139.25 is: 54,173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,190.51 : 114,210.42 = 36,139.25 : x
  2. Step 2: Convert to fraction form
    76,190.51/114,210.42 = 36,139.25/x
  3. Step 3: Cross multiply
    76,190.51x = 114,210.42 × 36,139.25
  4. Step 4: Simplify right side
    76,190.51x = 4,127,478,349.93
  5. Step 5: Solve for x
    x = 4,127,478,349.93/76,190.51
  6. Step 6: Final answer
    x = 54,173.13

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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.