Home / 72,550.26-100,139.49-42,341.94

Finding the Fourth Proportional to 72,550.26, 100,139.49 and 42,341.94

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Solution

The fourth proportional to 72,550.26, 100,139.49 and 42,341.94 is: 58,443.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,550.26 : 100,139.49 = 42,341.94 : x
  2. Step 2: Convert to fraction form
    72,550.26/100,139.49 = 42,341.94/x
  3. Step 3: Cross multiply
    72,550.26x = 100,139.49 × 42,341.94
  4. Step 4: Simplify right side
    72,550.26x = 4,240,100,277.21
  5. Step 5: Solve for x
    x = 4,240,100,277.21/72,550.26
  6. Step 6: Final answer
    x = 58,443.63

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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.