Home / 112,942.98-155,862.76-61,952.38

Finding the Fourth Proportional to 112,942.98, 155,862.76 and 61,952.38

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Solution

The fourth proportional to 112,942.98, 155,862.76 and 61,952.38 is: 85,495.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,942.98 : 155,862.76 = 61,952.38 : x
  2. Step 2: Convert to fraction form
    112,942.98/155,862.76 = 61,952.38/x
  3. Step 3: Cross multiply
    112,942.98x = 155,862.76 × 61,952.38
  4. Step 4: Simplify right side
    112,942.98x = 9,656,068,935.37
  5. Step 5: Solve for x
    x = 9,656,068,935.37/112,942.98
  6. Step 6: Final answer
    x = 85,495.08

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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.