Home / 74,822.06-103,253.54-42,988.46

Finding the Fourth Proportional to 74,822.06, 103,253.54 and 42,988.46

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Solution

The fourth proportional to 74,822.06, 103,253.54 and 42,988.46 is: 59,323.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,822.06 : 103,253.54 = 42,988.46 : x
  2. Step 2: Convert to fraction form
    74,822.06/103,253.54 = 42,988.46/x
  3. Step 3: Cross multiply
    74,822.06x = 103,253.54 × 42,988.46
  4. Step 4: Simplify right side
    74,822.06x = 4,438,709,942.94
  5. Step 5: Solve for x
    x = 4,438,709,942.94/74,822.06
  6. Step 6: Final answer
    x = 59,323.54

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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.