Home / 74,946.69-103,426.38-41,412.69

Finding the Fourth Proportional to 74,946.69, 103,426.38 and 41,412.69

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Solution

The fourth proportional to 74,946.69, 103,426.38 and 41,412.69 is: 57,149.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,946.69 : 103,426.38 = 41,412.69 : x
  2. Step 2: Convert to fraction form
    74,946.69/103,426.38 = 41,412.69/x
  3. Step 3: Cross multiply
    74,946.69x = 103,426.38 × 41,412.69
  4. Step 4: Simplify right side
    74,946.69x = 4,283,164,612.76
  5. Step 5: Solve for x
    x = 4,283,164,612.76/74,946.69
  6. Step 6: Final answer
    x = 57,149.48

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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.