Home / 77,732.48-116,606.02-30,989

Finding the Fourth Proportional to 77,732.48, 116,606.02 and 30,989

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Solution

The fourth proportional to 77,732.48, 116,606.02 and 30,989 is: 46,486.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,732.48 : 116,606.02 = 30,989 : x
  2. Step 2: Convert to fraction form
    77,732.48/116,606.02 = 30,989/x
  3. Step 3: Cross multiply
    77,732.48x = 116,606.02 × 30,989
  4. Step 4: Simplify right side
    77,732.48x = 3,613,503,953.78
  5. Step 5: Solve for x
    x = 3,613,503,953.78/77,732.48
  6. Step 6: Final answer
    x = 46,486.41

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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.