Home / 115,610.80-173,413.76-53,281.32

Finding the Fourth Proportional to 115,610.80, 173,413.76 and 53,281.32

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Solution

The fourth proportional to 115,610.80, 173,413.76 and 53,281.32 is: 79,920.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,610.80 : 173,413.76 = 53,281.32 : x
  2. Step 2: Convert to fraction form
    115,610.80/173,413.76 = 53,281.32/x
  3. Step 3: Cross multiply
    115,610.80x = 173,413.76 × 53,281.32
  4. Step 4: Simplify right side
    115,610.80x = 9,239,714,038.96
  5. Step 5: Solve for x
    x = 9,239,714,038.96/115,610.80
  6. Step 6: Final answer
    x = 79,920.86

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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.