Home / 81,534.20-112,506.36-45,235.16

Finding the Fourth Proportional to 81,534.20, 112,506.36 and 45,235.16

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Solution

The fourth proportional to 81,534.20, 112,506.36 and 45,235.16 is: 62,418.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,534.20 : 112,506.36 = 45,235.16 : x
  2. Step 2: Convert to fraction form
    81,534.20/112,506.36 = 45,235.16/x
  3. Step 3: Cross multiply
    81,534.20x = 112,506.36 × 45,235.16
  4. Step 4: Simplify right side
    81,534.20x = 5,089,243,195.62
  5. Step 5: Solve for x
    x = 5,089,243,195.62/81,534.20
  6. Step 6: Final answer
    x = 62,418.51

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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.