Home / 67,328.88-92,875.32-42,134.64

Finding the Fourth Proportional to 67,328.88, 92,875.32 and 42,134.64

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Solution

The fourth proportional to 67,328.88, 92,875.32 and 42,134.64 is: 58,121.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,328.88 : 92,875.32 = 42,134.64 : x
  2. Step 2: Convert to fraction form
    67,328.88/92,875.32 = 42,134.64/x
  3. Step 3: Cross multiply
    67,328.88x = 92,875.32 × 42,134.64
  4. Step 4: Simplify right side
    67,328.88x = 3,913,268,173.08
  5. Step 5: Solve for x
    x = 3,913,268,173.08/67,328.88
  6. Step 6: Final answer
    x = 58,121.69

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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.