Home / 57,825.81-79,770.96-45,056.16

Finding the Fourth Proportional to 57,825.81, 79,770.96 and 45,056.16

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Solution

The fourth proportional to 57,825.81, 79,770.96 and 45,056.16 is: 62,155.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,825.81 : 79,770.96 = 45,056.16 : x
  2. Step 2: Convert to fraction form
    57,825.81/79,770.96 = 45,056.16/x
  3. Step 3: Cross multiply
    57,825.81x = 79,770.96 × 45,056.16
  4. Step 4: Simplify right side
    57,825.81x = 3,594,173,137.11
  5. Step 5: Solve for x
    x = 3,594,173,137.11/57,825.81
  6. Step 6: Final answer
    x = 62,155.17

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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.