Home / 99,995.24-138,003.06-59,708.68

Finding the Fourth Proportional to 99,995.24, 138,003.06 and 59,708.68

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Solution

The fourth proportional to 99,995.24, 138,003.06 and 59,708.68 is: 82,403.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,995.24 : 138,003.06 = 59,708.68 : x
  2. Step 2: Convert to fraction form
    99,995.24/138,003.06 = 59,708.68/x
  3. Step 3: Cross multiply
    99,995.24x = 138,003.06 × 59,708.68
  4. Step 4: Simplify right side
    99,995.24x = 8,239,980,548.56
  5. Step 5: Solve for x
    x = 8,239,980,548.56/99,995.24
  6. Step 6: Final answer
    x = 82,403.73

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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.