Home / 82,774.56-124,064.54-38,307.36

Finding the Fourth Proportional to 82,774.56, 124,064.54 and 38,307.36

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Solution

The fourth proportional to 82,774.56, 124,064.54 and 38,307.36 is: 57,416.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,774.56 : 124,064.54 = 38,307.36 : x
  2. Step 2: Convert to fraction form
    82,774.56/124,064.54 = 38,307.36/x
  3. Step 3: Cross multiply
    82,774.56x = 124,064.54 × 38,307.36
  4. Step 4: Simplify right side
    82,774.56x = 4,752,584,997.01
  5. Step 5: Solve for x
    x = 4,752,584,997.01/82,774.56
  6. Step 6: Final answer
    x = 57,416.01

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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.