Home / 121,812.13-182,749.65-37,570.39

Finding the Fourth Proportional to 121,812.13, 182,749.65 and 37,570.39

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Solution

The fourth proportional to 121,812.13, 182,749.65 and 37,570.39 is: 56,365.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,812.13 : 182,749.65 = 37,570.39 : x
  2. Step 2: Convert to fraction form
    121,812.13/182,749.65 = 37,570.39/x
  3. Step 3: Cross multiply
    121,812.13x = 182,749.65 × 37,570.39
  4. Step 4: Simplify right side
    121,812.13x = 6,865,975,622.86
  5. Step 5: Solve for x
    x = 6,865,975,622.86/121,812.13
  6. Step 6: Final answer
    x = 56,365.29

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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.