Home / 77,924.64-116,916.09-40,461.33

Finding the Fourth Proportional to 77,924.64, 116,916.09 and 40,461.33

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Solution

The fourth proportional to 77,924.64, 116,916.09 and 40,461.33 is: 60,707.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,924.64 : 116,916.09 = 40,461.33 : x
  2. Step 2: Convert to fraction form
    77,924.64/116,916.09 = 40,461.33/x
  3. Step 3: Cross multiply
    77,924.64x = 116,916.09 × 40,461.33
  4. Step 4: Simplify right side
    77,924.64x = 4,730,580,499.80
  5. Step 5: Solve for x
    x = 4,730,580,499.80/77,924.64
  6. Step 6: Final answer
    x = 60,707.12

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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.