Home / 68,804.12-103,205.28-24,406.40

Finding the Fourth Proportional to 68,804.12, 103,205.28 and 24,406.40

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Solution

The fourth proportional to 68,804.12, 103,205.28 and 24,406.40 is: 36,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,804.12 : 103,205.28 = 24,406.40 : x
  2. Step 2: Convert to fraction form
    68,804.12/103,205.28 = 24,406.40/x
  3. Step 3: Cross multiply
    68,804.12x = 103,205.28 × 24,406.40
  4. Step 4: Simplify right side
    68,804.12x = 2,518,869,345.79
  5. Step 5: Solve for x
    x = 2,518,869,345.79/68,804.12
  6. Step 6: Final answer
    x = 36,609.28

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1.5x scale

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.