Home / 57,316.72-79,133.16-46,731.28

Finding the Fourth Proportional to 57,316.72, 79,133.16 and 46,731.28

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Solution

The fourth proportional to 57,316.72, 79,133.16 and 46,731.28 is: 64,518.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,316.72 : 79,133.16 = 46,731.28 : x
  2. Step 2: Convert to fraction form
    57,316.72/79,133.16 = 46,731.28/x
  3. Step 3: Cross multiply
    57,316.72x = 79,133.16 × 46,731.28
  4. Step 4: Simplify right side
    57,316.72x = 3,697,993,857.24
  5. Step 5: Solve for x
    x = 3,697,993,857.24/57,316.72
  6. Step 6: Final answer
    x = 64,518.59

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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.