Home / 98,850.23-136,413.38-53,528.57

Finding the Fourth Proportional to 98,850.23, 136,413.38 and 53,528.57

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Solution

The fourth proportional to 98,850.23, 136,413.38 and 53,528.57 is: 73,869.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,850.23 : 136,413.38 = 53,528.57 : x
  2. Step 2: Convert to fraction form
    98,850.23/136,413.38 = 53,528.57/x
  3. Step 3: Cross multiply
    98,850.23x = 136,413.38 × 53,528.57
  4. Step 4: Simplify right side
    98,850.23x = 7,302,013,160.27
  5. Step 5: Solve for x
    x = 7,302,013,160.27/98,850.23
  6. Step 6: Final answer
    x = 73,869.46

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1.5x scale

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.