Home / 75,053.23-103,610.94-43,215.98

Finding the Fourth Proportional to 75,053.23, 103,610.94 and 43,215.98

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Solution

The fourth proportional to 75,053.23, 103,610.94 and 43,215.98 is: 59,659.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,053.23 : 103,610.94 = 43,215.98 : x
  2. Step 2: Convert to fraction form
    75,053.23/103,610.94 = 43,215.98/x
  3. Step 3: Cross multiply
    75,053.23x = 103,610.94 × 43,215.98
  4. Step 4: Simplify right side
    75,053.23x = 4,477,648,310.82
  5. Step 5: Solve for x
    x = 4,477,648,310.82/75,053.23
  6. Step 6: Final answer
    x = 59,659.64

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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.