Home / 87,005.60-120,066.04-50,713.84

Finding the Fourth Proportional to 87,005.60, 120,066.04 and 50,713.84

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Solution

The fourth proportional to 87,005.60, 120,066.04 and 50,713.84 is: 69,984.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,005.60 : 120,066.04 = 50,713.84 : x
  2. Step 2: Convert to fraction form
    87,005.60/120,066.04 = 50,713.84/x
  3. Step 3: Cross multiply
    87,005.60x = 120,066.04 × 50,713.84
  4. Step 4: Simplify right side
    87,005.60x = 6,089,009,941.99
  5. Step 5: Solve for x
    x = 6,089,009,941.99/87,005.60
  6. Step 6: Final answer
    x = 69,984.12

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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.