Home / 98,235.12-135,564.48-53,523.12

Finding the Fourth Proportional to 98,235.12, 135,564.48 and 53,523.12

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Solution

The fourth proportional to 98,235.12, 135,564.48 and 53,523.12 is: 73,861.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,235.12 : 135,564.48 = 53,523.12 : x
  2. Step 2: Convert to fraction form
    98,235.12/135,564.48 = 53,523.12/x
  3. Step 3: Cross multiply
    98,235.12x = 135,564.48 × 53,523.12
  4. Step 4: Simplify right side
    98,235.12x = 7,255,833,930.78
  5. Step 5: Solve for x
    x = 7,255,833,930.78/98,235.12
  6. Step 6: Final answer
    x = 73,861.91

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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.