Home / 93,651.72-140,448.36-31,307.64

Finding the Fourth Proportional to 93,651.72, 140,448.36 and 31,307.64

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Solution

The fourth proportional to 93,651.72, 140,448.36 and 31,307.64 is: 46,951.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,651.72 : 140,448.36 = 31,307.64 : x
  2. Step 2: Convert to fraction form
    93,651.72/140,448.36 = 31,307.64/x
  3. Step 3: Cross multiply
    93,651.72x = 140,448.36 × 31,307.64
  4. Step 4: Simplify right side
    93,651.72x = 4,397,106,693.47
  5. Step 5: Solve for x
    x = 4,397,106,693.47/93,651.72
  6. Step 6: Final answer
    x = 46,951.69

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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.