Home / 69,807.35-103,921.49-69,392.17

Finding the Fourth Proportional to 69,807.35, 103,921.49 and 69,392.17

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Solution

The fourth proportional to 69,807.35, 103,921.49 and 69,392.17 is: 103,303.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,807.35 : 103,921.49 = 69,392.17 : x
  2. Step 2: Convert to fraction form
    69,807.35/103,921.49 = 69,392.17/x
  3. Step 3: Cross multiply
    69,807.35x = 103,921.49 × 69,392.17
  4. Step 4: Simplify right side
    69,807.35x = 7,211,336,834.17
  5. Step 5: Solve for x
    x = 7,211,336,834.17/69,807.35
  6. Step 6: Final answer
    x = 103,303.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.