Home / 81,324.74-112,228.70-45,518.07

Finding the Fourth Proportional to 81,324.74, 112,228.70 and 45,518.07

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Solution

The fourth proportional to 81,324.74, 112,228.70 and 45,518.07 is: 62,815.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,324.74 : 112,228.70 = 45,518.07 : x
  2. Step 2: Convert to fraction form
    81,324.74/112,228.70 = 45,518.07/x
  3. Step 3: Cross multiply
    81,324.74x = 112,228.70 × 45,518.07
  4. Step 4: Simplify right side
    81,324.74x = 5,108,433,595.02
  5. Step 5: Solve for x
    x = 5,108,433,595.02/81,324.74
  6. Step 6: Final answer
    x = 62,815.25

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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.