Home / 212,708.57-319,108.98-62,959.38

Finding the Fourth Proportional to 212,708.57, 319,108.98 and 62,959.38

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Solution

The fourth proportional to 212,708.57, 319,108.98 and 62,959.38 is: 94,452.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,708.57 : 319,108.98 = 62,959.38 : x
  2. Step 2: Convert to fraction form
    212,708.57/319,108.98 = 62,959.38/x
  3. Step 3: Cross multiply
    212,708.57x = 319,108.98 × 62,959.38
  4. Step 4: Simplify right side
    212,708.57x = 20,090,903,533.23
  5. Step 5: Solve for x
    x = 20,090,903,533.23/212,708.57
  6. Step 6: Final answer
    x = 94,452.72

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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.