Home / 57,931.16-79,942.78-32,435.14

Finding the Fourth Proportional to 57,931.16, 79,942.78 and 32,435.14

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Solution

The fourth proportional to 57,931.16, 79,942.78 and 32,435.14 is: 44,759.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,931.16 : 79,942.78 = 32,435.14 : x
  2. Step 2: Convert to fraction form
    57,931.16/79,942.78 = 32,435.14/x
  3. Step 3: Cross multiply
    57,931.16x = 79,942.78 × 32,435.14
  4. Step 4: Simplify right side
    57,931.16x = 2,592,954,980.34
  5. Step 5: Solve for x
    x = 2,592,954,980.34/57,931.16
  6. Step 6: Final answer
    x = 44,759.25

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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.