Home / 57,880.78-79,877.75-34,007.24

Finding the Fourth Proportional to 57,880.78, 79,877.75 and 34,007.24

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Solution

The fourth proportional to 57,880.78, 79,877.75 and 34,007.24 is: 46,931.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,880.78 : 79,877.75 = 34,007.24 : x
  2. Step 2: Convert to fraction form
    57,880.78/79,877.75 = 34,007.24/x
  3. Step 3: Cross multiply
    57,880.78x = 79,877.75 × 34,007.24
  4. Step 4: Simplify right side
    57,880.78x = 2,716,421,844.57
  5. Step 5: Solve for x
    x = 2,716,421,844.57/57,880.78
  6. Step 6: Final answer
    x = 46,931.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.