Home / 80,214.16-110,615.25-53,357.80

Finding the Fourth Proportional to 80,214.16, 110,615.25 and 53,357.80

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Solution

The fourth proportional to 80,214.16, 110,615.25 and 53,357.80 is: 73,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,214.16 : 110,615.25 = 53,357.80 : x
  2. Step 2: Convert to fraction form
    80,214.16/110,615.25 = 53,357.80/x
  3. Step 3: Cross multiply
    80,214.16x = 110,615.25 × 53,357.80
  4. Step 4: Simplify right side
    80,214.16x = 5,902,186,386.45
  5. Step 5: Solve for x
    x = 5,902,186,386.45/80,214.16
  6. Step 6: Final answer
    x = 73,580.36

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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.