Home / 98,110.70-135,393.03-55,669.12

Finding the Fourth Proportional to 98,110.70, 135,393.03 and 55,669.12

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Solution

The fourth proportional to 98,110.70, 135,393.03 and 55,669.12 is: 76,823.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,110.70 : 135,393.03 = 55,669.12 : x
  2. Step 2: Convert to fraction form
    98,110.70/135,393.03 = 55,669.12/x
  3. Step 3: Cross multiply
    98,110.70x = 135,393.03 × 55,669.12
  4. Step 4: Simplify right side
    98,110.70x = 7,537,210,834.23
  5. Step 5: Solve for x
    x = 7,537,210,834.23/98,110.70
  6. Step 6: Final answer
    x = 76,823.54

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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.