Home / 84,032.34-126,048.05-48,470.60

Finding the Fourth Proportional to 84,032.34, 126,048.05 and 48,470.60

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Solution

The fourth proportional to 84,032.34, 126,048.05 and 48,470.60 is: 72,705.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,032.34 : 126,048.05 = 48,470.60 : x
  2. Step 2: Convert to fraction form
    84,032.34/126,048.05 = 48,470.60/x
  3. Step 3: Cross multiply
    84,032.34x = 126,048.05 × 48,470.60
  4. Step 4: Simplify right side
    84,032.34x = 6,109,624,866.86
  5. Step 5: Solve for x
    x = 6,109,624,866.86/84,032.34
  6. Step 6: Final answer
    x = 72,705.64

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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.