Home / 97,967.20-146,756.40-53,528.80

Finding the Fourth Proportional to 97,967.20, 146,756.40 and 53,528.80

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Solution

The fourth proportional to 97,967.20, 146,756.40 and 53,528.80 is: 80,186.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,967.20 : 146,756.40 = 53,528.80 : x
  2. Step 2: Convert to fraction form
    97,967.20/146,756.40 = 53,528.80/x
  3. Step 3: Cross multiply
    97,967.20x = 146,756.40 × 53,528.80
  4. Step 4: Simplify right side
    97,967.20x = 7,855,693,984.32
  5. Step 5: Solve for x
    x = 7,855,693,984.32/97,967.20
  6. Step 6: Final answer
    x = 80,186.98

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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.