Home / 75,967.16-113,973.80-53,823.36

Finding the Fourth Proportional to 75,967.16, 113,973.80 and 53,823.36

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Solution

The fourth proportional to 75,967.16, 113,973.80 and 53,823.36 is: 80,751.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,967.16 : 113,973.80 = 53,823.36 : x
  2. Step 2: Convert to fraction form
    75,967.16/113,973.80 = 53,823.36/x
  3. Step 3: Cross multiply
    75,967.16x = 113,973.80 × 53,823.36
  4. Step 4: Simplify right side
    75,967.16x = 6,134,452,867.97
  5. Step 5: Solve for x
    x = 6,134,452,867.97/75,967.16
  6. Step 6: Final answer
    x = 80,751.38

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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.