Home / 76,263.36-105,207.84-47,984.64

Finding the Fourth Proportional to 76,263.36, 105,207.84 and 47,984.64

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Solution

The fourth proportional to 76,263.36, 105,207.84 and 47,984.64 is: 66,196.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,263.36 : 105,207.84 = 47,984.64 : x
  2. Step 2: Convert to fraction form
    76,263.36/105,207.84 = 47,984.64/x
  3. Step 3: Cross multiply
    76,263.36x = 105,207.84 × 47,984.64
  4. Step 4: Simplify right side
    76,263.36x = 5,048,360,327.58
  5. Step 5: Solve for x
    x = 5,048,360,327.58/76,263.36
  6. Step 6: Final answer
    x = 66,196.41

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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.