Home / 104,965.44-157,307.20-57,509.16

Finding the Fourth Proportional to 104,965.44, 157,307.20 and 57,509.16

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Solution

The fourth proportional to 104,965.44, 157,307.20 and 57,509.16 is: 86,186.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,965.44 : 157,307.20 = 57,509.16 : x
  2. Step 2: Convert to fraction form
    104,965.44/157,307.20 = 57,509.16/x
  3. Step 3: Cross multiply
    104,965.44x = 157,307.20 × 57,509.16
  4. Step 4: Simplify right side
    104,965.44x = 9,046,604,933.95
  5. Step 5: Solve for x
    x = 9,046,604,933.95/104,965.44
  6. Step 6: Final answer
    x = 86,186.51

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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.