Home / 81,349.83-112,265.10-45,539.64

Finding the Fourth Proportional to 81,349.83, 112,265.10 and 45,539.64

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Solution

The fourth proportional to 81,349.83, 112,265.10 and 45,539.64 is: 62,846.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,349.83 : 112,265.10 = 45,539.64 : x
  2. Step 2: Convert to fraction form
    81,349.83/112,265.10 = 45,539.64/x
  3. Step 3: Cross multiply
    81,349.83x = 112,265.10 × 45,539.64
  4. Step 4: Simplify right side
    81,349.83x = 5,112,512,238.56
  5. Step 5: Solve for x
    x = 5,112,512,238.56/81,349.83
  6. Step 6: Final answer
    x = 62,846.01

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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.