Home / 75,413.59-104,045.44-42,703.56

Finding the Fourth Proportional to 75,413.59, 104,045.44 and 42,703.56

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Solution

The fourth proportional to 75,413.59, 104,045.44 and 42,703.56 is: 58,916.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,413.59 : 104,045.44 = 42,703.56 : x
  2. Step 2: Convert to fraction form
    75,413.59/104,045.44 = 42,703.56/x
  3. Step 3: Cross multiply
    75,413.59x = 104,045.44 × 42,703.56
  4. Step 4: Simplify right side
    75,413.59x = 4,443,110,689.77
  5. Step 5: Solve for x
    x = 4,443,110,689.77/75,413.59
  6. Step 6: Final answer
    x = 58,916.58

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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.