Home / 84,500.75-126,875.73-47,133.83

Finding the Fourth Proportional to 84,500.75, 126,875.73 and 47,133.83

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Solution

The fourth proportional to 84,500.75, 126,875.73 and 47,133.83 is: 70,770.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,500.75 : 126,875.73 = 47,133.83 : x
  2. Step 2: Convert to fraction form
    84,500.75/126,875.73 = 47,133.83/x
  3. Step 3: Cross multiply
    84,500.75x = 126,875.73 × 47,133.83
  4. Step 4: Simplify right side
    84,500.75x = 5,980,139,088.95
  5. Step 5: Solve for x
    x = 5,980,139,088.95/84,500.75
  6. Step 6: Final answer
    x = 70,770.25

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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.