Home / 74,106.29-111,159.69-17,946.31

Finding the Fourth Proportional to 74,106.29, 111,159.69 and 17,946.31

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Solution

The fourth proportional to 74,106.29, 111,159.69 and 17,946.31 is: 26,919.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,106.29 : 111,159.69 = 17,946.31 : x
  2. Step 2: Convert to fraction form
    74,106.29/111,159.69 = 17,946.31/x
  3. Step 3: Cross multiply
    74,106.29x = 111,159.69 × 17,946.31
  4. Step 4: Simplify right side
    74,106.29x = 1,994,906,220.42
  5. Step 5: Solve for x
    x = 1,994,906,220.42/74,106.29
  6. Step 6: Final answer
    x = 26,919.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.