Home / 65,802.22-90,806.78-35,587.58

Finding the Fourth Proportional to 65,802.22, 90,806.78 and 35,587.58

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Solution

The fourth proportional to 65,802.22, 90,806.78 and 35,587.58 is: 49,110.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,802.22 : 90,806.78 = 35,587.58 : x
  2. Step 2: Convert to fraction form
    65,802.22/90,806.78 = 35,587.58/x
  3. Step 3: Cross multiply
    65,802.22x = 90,806.78 × 35,587.58
  4. Step 4: Simplify right side
    65,802.22x = 3,231,593,547.79
  5. Step 5: Solve for x
    x = 3,231,593,547.79/65,802.22
  6. Step 6: Final answer
    x = 49,110.71

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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.