Home / 109,333.40-164,076.90-47,048.60

Finding the Fourth Proportional to 109,333.40, 164,076.90 and 47,048.60

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Solution

The fourth proportional to 109,333.40, 164,076.90 and 47,048.60 is: 70,605.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,333.40 : 164,076.90 = 47,048.60 : x
  2. Step 2: Convert to fraction form
    109,333.40/164,076.90 = 47,048.60/x
  3. Step 3: Cross multiply
    109,333.40x = 164,076.90 × 47,048.60
  4. Step 4: Simplify right side
    109,333.40x = 7,719,588,437.34
  5. Step 5: Solve for x
    x = 7,719,588,437.34/109,333.40
  6. Step 6: Final answer
    x = 70,605.95

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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.