Home / 117,971.86-176,916.09-38,006.60

Finding the Fourth Proportional to 117,971.86, 176,916.09 and 38,006.60

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Solution

The fourth proportional to 117,971.86, 176,916.09 and 38,006.60 is: 56,996.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,971.86 : 176,916.09 = 38,006.60 : x
  2. Step 2: Convert to fraction form
    117,971.86/176,916.09 = 38,006.60/x
  3. Step 3: Cross multiply
    117,971.86x = 176,916.09 × 38,006.60
  4. Step 4: Simplify right side
    117,971.86x = 6,723,979,066.19
  5. Step 5: Solve for x
    x = 6,723,979,066.19/117,971.86
  6. Step 6: Final answer
    x = 56,996.47

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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.