Home / 116,014.77-160,043.45-75,709.89

Finding the Fourth Proportional to 116,014.77, 160,043.45 and 75,709.89

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Solution

The fourth proportional to 116,014.77, 160,043.45 and 75,709.89 is: 104,442.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,014.77 : 160,043.45 = 75,709.89 : x
  2. Step 2: Convert to fraction form
    116,014.77/160,043.45 = 75,709.89/x
  3. Step 3: Cross multiply
    116,014.77x = 160,043.45 × 75,709.89
  4. Step 4: Simplify right side
    116,014.77x = 12,116,871,616.17
  5. Step 5: Solve for x
    x = 12,116,871,616.17/116,014.77
  6. Step 6: Final answer
    x = 104,442.49

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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.