Home / 79,562.64-119,338.56-57,416.16

Finding the Fourth Proportional to 79,562.64, 119,338.56 and 57,416.16

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Solution

The fourth proportional to 79,562.64, 119,338.56 and 57,416.16 is: 86,120.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,562.64 : 119,338.56 = 57,416.16 : x
  2. Step 2: Convert to fraction form
    79,562.64/119,338.56 = 57,416.16/x
  3. Step 3: Cross multiply
    79,562.64x = 119,338.56 × 57,416.16
  4. Step 4: Simplify right side
    79,562.64x = 6,851,961,855.13
  5. Step 5: Solve for x
    x = 6,851,961,855.13/79,562.64
  6. Step 6: Final answer
    x = 86,120.34

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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.