Home / 81,582.94-112,586.19-45,775.54

Finding the Fourth Proportional to 81,582.94, 112,586.19 and 45,775.54

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Solution

The fourth proportional to 81,582.94, 112,586.19 and 45,775.54 is: 63,171.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,582.94 : 112,586.19 = 45,775.54 : x
  2. Step 2: Convert to fraction form
    81,582.94/112,586.19 = 45,775.54/x
  3. Step 3: Cross multiply
    81,582.94x = 112,586.19 × 45,775.54
  4. Step 4: Simplify right side
    81,582.94x = 5,153,693,643.79
  5. Step 5: Solve for x
    x = 5,153,693,643.79/81,582.94
  6. Step 6: Final answer
    x = 63,171.22

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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.