Home / 82,913.12-114,417.06-45,186.56

Finding the Fourth Proportional to 82,913.12, 114,417.06 and 45,186.56

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Solution

The fourth proportional to 82,913.12, 114,417.06 and 45,186.56 is: 62,355.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,913.12 : 114,417.06 = 45,186.56 : x
  2. Step 2: Convert to fraction form
    82,913.12/114,417.06 = 45,186.56/x
  3. Step 3: Cross multiply
    82,913.12x = 114,417.06 × 45,186.56
  4. Step 4: Simplify right side
    82,913.12x = 5,170,113,346.71
  5. Step 5: Solve for x
    x = 5,170,113,346.71/82,913.12
  6. Step 6: Final answer
    x = 62,355.79

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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.