Home / 81,048.57-111,837.60-45,237.39

Finding the Fourth Proportional to 81,048.57, 111,837.60 and 45,237.39

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Solution

The fourth proportional to 81,048.57, 111,837.60 and 45,237.39 is: 62,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,048.57 : 111,837.60 = 45,237.39 : x
  2. Step 2: Convert to fraction form
    81,048.57/111,837.60 = 45,237.39/x
  3. Step 3: Cross multiply
    81,048.57x = 111,837.60 × 45,237.39
  4. Step 4: Simplify right side
    81,048.57x = 5,059,241,127.86
  5. Step 5: Solve for x
    x = 5,059,241,127.86/81,048.57
  6. Step 6: Final answer
    x = 62,422.34

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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.