Home / 93,413.70-128,911.23-50,972.94

Finding the Fourth Proportional to 93,413.70, 128,911.23 and 50,972.94

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Solution

The fourth proportional to 93,413.70, 128,911.23 and 50,972.94 is: 70,342.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,413.70 : 128,911.23 = 50,972.94 : x
  2. Step 2: Convert to fraction form
    93,413.70/128,911.23 = 50,972.94/x
  3. Step 3: Cross multiply
    93,413.70x = 128,911.23 × 50,972.94
  4. Step 4: Simplify right side
    93,413.70x = 6,570,984,392.12
  5. Step 5: Solve for x
    x = 6,570,984,392.12/93,413.70
  6. Step 6: Final answer
    x = 70,342.83

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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.