Home / 98,258.03-135,458.78-83,089.83

Finding the Fourth Proportional to 98,258.03, 135,458.78 and 83,089.83

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Solution

The fourth proportional to 98,258.03, 135,458.78 and 83,089.83 is: 114,547.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,258.03 : 135,458.78 = 83,089.83 : x
  2. Step 2: Convert to fraction form
    98,258.03/135,458.78 = 83,089.83/x
  3. Step 3: Cross multiply
    98,258.03x = 135,458.78 × 83,089.83
  4. Step 4: Simplify right side
    98,258.03x = 11,255,246,586.76
  5. Step 5: Solve for x
    x = 11,255,246,586.76/98,258.03
  6. Step 6: Final answer
    x = 114,547.86

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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.