Home / 98,583.94-135,904.23-70,240.42

Finding the Fourth Proportional to 98,583.94, 135,904.23 and 70,240.42

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Solution

The fourth proportional to 98,583.94, 135,904.23 and 70,240.42 is: 96,830.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,583.94 : 135,904.23 = 70,240.42 : x
  2. Step 2: Convert to fraction form
    98,583.94/135,904.23 = 70,240.42/x
  3. Step 3: Cross multiply
    98,583.94x = 135,904.23 × 70,240.42
  4. Step 4: Simplify right side
    98,583.94x = 9,545,970,194.98
  5. Step 5: Solve for x
    x = 9,545,970,194.98/98,583.94
  6. Step 6: Final answer
    x = 96,830.89

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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.