Home / 57,678.39-86,476.05-35,445.84

Finding the Fourth Proportional to 57,678.39, 86,476.05 and 35,445.84

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Solution

The fourth proportional to 57,678.39, 86,476.05 and 35,445.84 is: 53,143.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,678.39 : 86,476.05 = 35,445.84 : x
  2. Step 2: Convert to fraction form
    57,678.39/86,476.05 = 35,445.84/x
  3. Step 3: Cross multiply
    57,678.39x = 86,476.05 × 35,445.84
  4. Step 4: Simplify right side
    57,678.39x = 3,065,216,232.13
  5. Step 5: Solve for x
    x = 3,065,216,232.13/57,678.39
  6. Step 6: Final answer
    x = 53,143.23

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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.