Home / 81,201.47-112,057.40-44,904.50

Finding the Fourth Proportional to 81,201.47, 112,057.40 and 44,904.50

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Solution

The fourth proportional to 81,201.47, 112,057.40 and 44,904.50 is: 61,967.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,201.47 : 112,057.40 = 44,904.50 : x
  2. Step 2: Convert to fraction form
    81,201.47/112,057.40 = 44,904.50/x
  3. Step 3: Cross multiply
    81,201.47x = 112,057.40 × 44,904.50
  4. Step 4: Simplify right side
    81,201.47x = 5,031,880,733.49
  5. Step 5: Solve for x
    x = 5,031,880,733.49/81,201.47
  6. Step 6: Final answer
    x = 61,967.86

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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.