Home / 81,576.24-112,573.35-45,765.42

Finding the Fourth Proportional to 81,576.24, 112,573.35 and 45,765.42

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Solution

The fourth proportional to 81,576.24, 112,573.35 and 45,765.42 is: 63,155.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,576.24 : 112,573.35 = 45,765.42 : x
  2. Step 2: Convert to fraction form
    81,576.24/112,573.35 = 45,765.42/x
  3. Step 3: Cross multiply
    81,576.24x = 112,573.35 × 45,765.42
  4. Step 4: Simplify right side
    81,576.24x = 5,151,966,643.56
  5. Step 5: Solve for x
    x = 5,151,966,643.56/81,576.24
  6. Step 6: Final answer
    x = 63,155.24

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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.