Home / 78,525.21-117,490.57-46,521.46

Finding the Fourth Proportional to 78,525.21, 117,490.57 and 46,521.46

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Solution

The fourth proportional to 78,525.21, 117,490.57 and 46,521.46 is: 69,606.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,525.21 : 117,490.57 = 46,521.46 : x
  2. Step 2: Convert to fraction form
    78,525.21/117,490.57 = 46,521.46/x
  3. Step 3: Cross multiply
    78,525.21x = 117,490.57 × 46,521.46
  4. Step 4: Simplify right side
    78,525.21x = 5,465,832,558.91
  5. Step 5: Solve for x
    x = 5,465,832,558.91/78,525.21
  6. Step 6: Final answer
    x = 69,606.09

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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.