Home / 100,263.28-138,359.24-59,953.26

Finding the Fourth Proportional to 100,263.28, 138,359.24 and 59,953.26

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Solution

The fourth proportional to 100,263.28, 138,359.24 and 59,953.26 is: 82,733.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,263.28 : 138,359.24 = 59,953.26 : x
  2. Step 2: Convert to fraction form
    100,263.28/138,359.24 = 59,953.26/x
  3. Step 3: Cross multiply
    100,263.28x = 138,359.24 × 59,953.26
  4. Step 4: Simplify right side
    100,263.28x = 8,295,087,489.12
  5. Step 5: Solve for x
    x = 8,295,087,489.12/100,263.28
  6. Step 6: Final answer
    x = 82,733.06

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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.