Home / 98,343.78-135,735.91-62,526.80

Finding the Fourth Proportional to 98,343.78, 135,735.91 and 62,526.80

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Solution

The fourth proportional to 98,343.78, 135,735.91 and 62,526.80 is: 86,300.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,343.78 : 135,735.91 = 62,526.80 : x
  2. Step 2: Convert to fraction form
    98,343.78/135,735.91 = 62,526.80/x
  3. Step 3: Cross multiply
    98,343.78x = 135,735.91 × 62,526.80
  4. Step 4: Simplify right side
    98,343.78x = 8,487,131,418.71
  5. Step 5: Solve for x
    x = 8,487,131,418.71/98,343.78
  6. Step 6: Final answer
    x = 86,300.64

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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.