Home / 98,068.56-135,330.60-55,626.16

Finding the Fourth Proportional to 98,068.56, 135,330.60 and 55,626.16

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Solution

The fourth proportional to 98,068.56, 135,330.60 and 55,626.16 is: 76,761.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,068.56 : 135,330.60 = 55,626.16 : x
  2. Step 2: Convert to fraction form
    98,068.56/135,330.60 = 55,626.16/x
  3. Step 3: Cross multiply
    98,068.56x = 135,330.60 × 55,626.16
  4. Step 4: Simplify right side
    98,068.56x = 7,527,921,608.50
  5. Step 5: Solve for x
    x = 7,527,921,608.50/98,068.56
  6. Step 6: Final answer
    x = 76,761.82

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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.