Home / 67,479.12-93,121.32-37,671.12

Finding the Fourth Proportional to 67,479.12, 93,121.32 and 37,671.12

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Solution

The fourth proportional to 67,479.12, 93,121.32 and 37,671.12 is: 51,986.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,479.12 : 93,121.32 = 37,671.12 : x
  2. Step 2: Convert to fraction form
    67,479.12/93,121.32 = 37,671.12/x
  3. Step 3: Cross multiply
    67,479.12x = 93,121.32 × 37,671.12
  4. Step 4: Simplify right side
    67,479.12x = 3,507,984,420.28
  5. Step 5: Solve for x
    x = 3,507,984,420.28/67,479.12
  6. Step 6: Final answer
    x = 51,986.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.