Home / 96,780.45-133,535.19-54,336.18

Finding the Fourth Proportional to 96,780.45, 133,535.19 and 54,336.18

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Solution

The fourth proportional to 96,780.45, 133,535.19 and 54,336.18 is: 74,971.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,780.45 : 133,535.19 = 54,336.18 : x
  2. Step 2: Convert to fraction form
    96,780.45/133,535.19 = 54,336.18/x
  3. Step 3: Cross multiply
    96,780.45x = 133,535.19 × 54,336.18
  4. Step 4: Simplify right side
    96,780.45x = 7,255,792,120.17
  5. Step 5: Solve for x
    x = 7,255,792,120.17/96,780.45
  6. Step 6: Final answer
    x = 74,971.67

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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.