Home / 81,750.30-112,817.68-45,943.58

Finding the Fourth Proportional to 81,750.30, 112,817.68 and 45,943.58

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Solution

The fourth proportional to 81,750.30, 112,817.68 and 45,943.58 is: 63,403.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,750.30 : 112,817.68 = 45,943.58 : x
  2. Step 2: Convert to fraction form
    81,750.30/112,817.68 = 45,943.58/x
  3. Step 3: Cross multiply
    81,750.30x = 112,817.68 × 45,943.58
  4. Step 4: Simplify right side
    81,750.30x = 5,183,248,106.49
  5. Step 5: Solve for x
    x = 5,183,248,106.49/81,750.30
  6. Step 6: Final answer
    x = 63,403.41

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1.5x scale

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.