Home / 81,523.74-112,454.98-51,261.10

Finding the Fourth Proportional to 81,523.74, 112,454.98 and 51,261.10

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Solution

The fourth proportional to 81,523.74, 112,454.98 and 51,261.10 is: 70,710.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,523.74 : 112,454.98 = 51,261.10 : x
  2. Step 2: Convert to fraction form
    81,523.74/112,454.98 = 51,261.10/x
  3. Step 3: Cross multiply
    81,523.74x = 112,454.98 × 51,261.10
  4. Step 4: Simplify right side
    81,523.74x = 5,764,565,975.28
  5. Step 5: Solve for x
    x = 5,764,565,975.28/81,523.74
  6. Step 6: Final answer
    x = 70,710.27

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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.