Home / 127,413.81-175,834.44-70,055.55

Finding the Fourth Proportional to 127,413.81, 175,834.44 and 70,055.55

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Solution

The fourth proportional to 127,413.81, 175,834.44 and 70,055.55 is: 96,678.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,413.81 : 175,834.44 = 70,055.55 : x
  2. Step 2: Convert to fraction form
    127,413.81/175,834.44 = 70,055.55/x
  3. Step 3: Cross multiply
    127,413.81x = 175,834.44 × 70,055.55
  4. Step 4: Simplify right side
    127,413.81x = 12,318,178,403.14
  5. Step 5: Solve for x
    x = 12,318,178,403.14/127,413.81
  6. Step 6: Final answer
    x = 96,678.52

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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.