Home / 83,427.36-115,131.24-45,699.16

Finding the Fourth Proportional to 83,427.36, 115,131.24 and 45,699.16

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Solution

The fourth proportional to 83,427.36, 115,131.24 and 45,699.16 is: 63,065.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,427.36 : 115,131.24 = 45,699.16 : x
  2. Step 2: Convert to fraction form
    83,427.36/115,131.24 = 45,699.16/x
  3. Step 3: Cross multiply
    83,427.36x = 115,131.24 × 45,699.16
  4. Step 4: Simplify right side
    83,427.36x = 5,261,400,957.76
  5. Step 5: Solve for x
    x = 5,261,400,957.76/83,427.36
  6. Step 6: Final answer
    x = 63,065.65

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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.