Home / 98,454.83-135,868.49-56,016.09

Finding the Fourth Proportional to 98,454.83, 135,868.49 and 56,016.09

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Solution

The fourth proportional to 98,454.83, 135,868.49 and 56,016.09 is: 77,302.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,454.83 : 135,868.49 = 56,016.09 : x
  2. Step 2: Convert to fraction form
    98,454.83/135,868.49 = 56,016.09/x
  3. Step 3: Cross multiply
    98,454.83x = 135,868.49 × 56,016.09
  4. Step 4: Simplify right side
    98,454.83x = 7,610,821,283.92
  5. Step 5: Solve for x
    x = 7,610,821,283.92/98,454.83
  6. Step 6: Final answer
    x = 77,302.67

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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.