Home / 75,030.45-103,550.96-43,205.55

Finding the Fourth Proportional to 75,030.45, 103,550.96 and 43,205.55

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Solution

The fourth proportional to 75,030.45, 103,550.96 and 43,205.55 is: 59,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,030.45 : 103,550.96 = 43,205.55 : x
  2. Step 2: Convert to fraction form
    75,030.45/103,550.96 = 43,205.55/x
  3. Step 3: Cross multiply
    75,030.45x = 103,550.96 × 43,205.55
  4. Step 4: Simplify right side
    75,030.45x = 4,473,975,963.80
  5. Step 5: Solve for x
    x = 4,473,975,963.80/75,030.45
  6. Step 6: Final answer
    x = 59,628.80

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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.