Home / 81,582.85-112,584.03-45,773.00

Finding the Fourth Proportional to 81,582.85, 112,584.03 and 45,773.00

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Solution

The fourth proportional to 81,582.85, 112,584.03 and 45,773.00 is: 63,166.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,582.85 : 112,584.03 = 45,773.00 : x
  2. Step 2: Convert to fraction form
    81,582.85/112,584.03 = 45,773.00/x
  3. Step 3: Cross multiply
    81,582.85x = 112,584.03 × 45,773.00
  4. Step 4: Simplify right side
    81,582.85x = 5,153,308,492.81
  5. Step 5: Solve for x
    x = 5,153,308,492.81/81,582.85
  6. Step 6: Final answer
    x = 63,166.57

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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.