Home / 84,920.10-127,395.53-69,263.91

Finding the Fourth Proportional to 84,920.10, 127,395.53 and 69,263.91

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Solution

The fourth proportional to 84,920.10, 127,395.53 and 69,263.91 is: 103,908.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,920.10 : 127,395.53 = 69,263.91 : x
  2. Step 2: Convert to fraction form
    84,920.10/127,395.53 = 69,263.91/x
  3. Step 3: Cross multiply
    84,920.10x = 127,395.53 × 69,263.91
  4. Step 4: Simplify right side
    84,920.10x = 8,823,912,178.00
  5. Step 5: Solve for x
    x = 8,823,912,178.00/84,920.10
  6. Step 6: Final answer
    x = 103,908.41

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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.