Home / 86,925.24-119,957.22-49,206.78

Finding the Fourth Proportional to 86,925.24, 119,957.22 and 49,206.78

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Solution

The fourth proportional to 86,925.24, 119,957.22 and 49,206.78 is: 67,905.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,925.24 : 119,957.22 = 49,206.78 : x
  2. Step 2: Convert to fraction form
    86,925.24/119,957.22 = 49,206.78/x
  3. Step 3: Cross multiply
    86,925.24x = 119,957.22 × 49,206.78
  4. Step 4: Simplify right side
    86,925.24x = 5,902,708,533.95
  5. Step 5: Solve for x
    x = 5,902,708,533.95/86,925.24
  6. Step 6: Final answer
    x = 67,905.58

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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.