Home / 115,957.55-160,098.18-89,051.78

Finding the Fourth Proportional to 115,957.55, 160,098.18 and 89,051.78

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Solution

The fourth proportional to 115,957.55, 160,098.18 and 89,051.78 is: 122,950.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,957.55 : 160,098.18 = 89,051.78 : x
  2. Step 2: Convert to fraction form
    115,957.55/160,098.18 = 89,051.78/x
  3. Step 3: Cross multiply
    115,957.55x = 160,098.18 × 89,051.78
  4. Step 4: Simplify right side
    115,957.55x = 14,257,027,903.76
  5. Step 5: Solve for x
    x = 14,257,027,903.76/115,957.55
  6. Step 6: Final answer
    x = 122,950.41

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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.