Home / 112,916.67-169,227.36-46,278.78

Finding the Fourth Proportional to 112,916.67, 169,227.36 and 46,278.78

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Solution

The fourth proportional to 112,916.67, 169,227.36 and 46,278.78 is: 69,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,916.67 : 169,227.36 = 46,278.78 : x
  2. Step 2: Convert to fraction form
    112,916.67/169,227.36 = 46,278.78/x
  3. Step 3: Cross multiply
    112,916.67x = 169,227.36 × 46,278.78
  4. Step 4: Simplify right side
    112,916.67x = 7,831,635,128.82
  5. Step 5: Solve for x
    x = 7,831,635,128.82/112,916.67
  6. Step 6: Final answer
    x = 69,357.65

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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.