Home / 89,984.04-135,067.05-52,615.50

Finding the Fourth Proportional to 89,984.04, 135,067.05 and 52,615.50

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Solution

The fourth proportional to 89,984.04, 135,067.05 and 52,615.50 is: 78,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,984.04 : 135,067.05 = 52,615.50 : x
  2. Step 2: Convert to fraction form
    89,984.04/135,067.05 = 52,615.50/x
  3. Step 3: Cross multiply
    89,984.04x = 135,067.05 × 52,615.50
  4. Step 4: Simplify right side
    89,984.04x = 7,106,620,369.28
  5. Step 5: Solve for x
    x = 7,106,620,369.28/89,984.04
  6. Step 6: Final answer
    x = 78,976.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.