Home / 126,435.83-189,747.05-59,875.83

Finding the Fourth Proportional to 126,435.83, 189,747.05 and 59,875.83

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Solution

The fourth proportional to 126,435.83, 189,747.05 and 59,875.83 is: 89,857.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,435.83 : 189,747.05 = 59,875.83 : x
  2. Step 2: Convert to fraction form
    126,435.83/189,747.05 = 59,875.83/x
  3. Step 3: Cross multiply
    126,435.83x = 189,747.05 × 59,875.83
  4. Step 4: Simplify right side
    126,435.83x = 11,361,261,809.42
  5. Step 5: Solve for x
    x = 11,361,261,809.42/126,435.83
  6. Step 6: Final answer
    x = 89,857.93

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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.