Home / 66,423.14-91,689.52-48,659.23

Finding the Fourth Proportional to 66,423.14, 91,689.52 and 48,659.23

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Solution

The fourth proportional to 66,423.14, 91,689.52 and 48,659.23 is: 67,168.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,423.14 : 91,689.52 = 48,659.23 : x
  2. Step 2: Convert to fraction form
    66,423.14/91,689.52 = 48,659.23/x
  3. Step 3: Cross multiply
    66,423.14x = 91,689.52 × 48,659.23
  4. Step 4: Simplify right side
    66,423.14x = 4,461,541,526.47
  5. Step 5: Solve for x
    x = 4,461,541,526.47/66,423.14
  6. Step 6: Final answer
    x = 67,168.48

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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.