Home / 98,792.92-136,331.58-56,350.54

Finding the Fourth Proportional to 98,792.92, 136,331.58 and 56,350.54

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Solution

The fourth proportional to 98,792.92, 136,331.58 and 56,350.54 is: 77,762.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,792.92 : 136,331.58 = 56,350.54 : x
  2. Step 2: Convert to fraction form
    98,792.92/136,331.58 = 56,350.54/x
  3. Step 3: Cross multiply
    98,792.92x = 136,331.58 × 56,350.54
  4. Step 4: Simplify right side
    98,792.92x = 7,682,358,152.05
  5. Step 5: Solve for x
    x = 7,682,358,152.05/98,792.92
  6. Step 6: Final answer
    x = 77,762.23

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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.