Home / 81,338.22-112,244.67-45,526.50

Finding the Fourth Proportional to 81,338.22, 112,244.67 and 45,526.50

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Solution

The fourth proportional to 81,338.22, 112,244.67 and 45,526.50 is: 62,825.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,338.22 : 112,244.67 = 45,526.50 : x
  2. Step 2: Convert to fraction form
    81,338.22/112,244.67 = 45,526.50/x
  3. Step 3: Cross multiply
    81,338.22x = 112,244.67 × 45,526.50
  4. Step 4: Simplify right side
    81,338.22x = 5,110,106,968.76
  5. Step 5: Solve for x
    x = 5,110,106,968.76/81,338.22
  6. Step 6: Final answer
    x = 62,825.41

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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.