Home / 57,965.12-79,913.76-37,782.08

Finding the Fourth Proportional to 57,965.12, 79,913.76 and 37,782.08

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Solution

The fourth proportional to 57,965.12, 79,913.76 and 37,782.08 is: 52,088.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,965.12 : 79,913.76 = 37,782.08 : x
  2. Step 2: Convert to fraction form
    57,965.12/79,913.76 = 37,782.08/x
  3. Step 3: Cross multiply
    57,965.12x = 79,913.76 × 37,782.08
  4. Step 4: Simplify right side
    57,965.12x = 3,019,308,073.42
  5. Step 5: Solve for x
    x = 3,019,308,073.42/57,965.12
  6. Step 6: Final answer
    x = 52,088.36

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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.