Home / 100,041.49-138,099.77-62,334.37

Finding the Fourth Proportional to 100,041.49, 138,099.77 and 62,334.37

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Solution

The fourth proportional to 100,041.49, 138,099.77 and 62,334.37 is: 86,047.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,041.49 : 138,099.77 = 62,334.37 : x
  2. Step 2: Convert to fraction form
    100,041.49/138,099.77 = 62,334.37/x
  3. Step 3: Cross multiply
    100,041.49x = 138,099.77 × 62,334.37
  4. Step 4: Simplify right side
    100,041.49x = 8,608,362,160.09
  5. Step 5: Solve for x
    x = 8,608,362,160.09/100,041.49
  6. Step 6: Final answer
    x = 86,047.92

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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.