Home / 69,303.15-103,953.78-16,712.19

Finding the Fourth Proportional to 69,303.15, 103,953.78 and 16,712.19

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Solution

The fourth proportional to 69,303.15, 103,953.78 and 16,712.19 is: 25,068.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,303.15 : 103,953.78 = 16,712.19 : x
  2. Step 2: Convert to fraction form
    69,303.15/103,953.78 = 16,712.19/x
  3. Step 3: Cross multiply
    69,303.15x = 103,953.78 × 16,712.19
  4. Step 4: Simplify right side
    69,303.15x = 1,737,295,322.58
  5. Step 5: Solve for x
    x = 1,737,295,322.58/69,303.15
  6. Step 6: Final answer
    x = 25,068.06

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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.