Home / 75,412.61-104,043.89-43,124.21

Finding the Fourth Proportional to 75,412.61, 104,043.89 and 43,124.21

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Solution

The fourth proportional to 75,412.61, 104,043.89 and 43,124.21 is: 59,496.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,412.61 : 104,043.89 = 43,124.21 : x
  2. Step 2: Convert to fraction form
    75,412.61/104,043.89 = 43,124.21/x
  3. Step 3: Cross multiply
    75,412.61x = 104,043.89 × 43,124.21
  4. Step 4: Simplify right side
    75,412.61x = 4,486,809,825.74
  5. Step 5: Solve for x
    x = 4,486,809,825.74/75,412.61
  6. Step 6: Final answer
    x = 59,496.82

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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.