Home / 67,423.87-101,055.40-31,351.60

Finding the Fourth Proportional to 67,423.87, 101,055.40 and 31,351.60

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Solution

The fourth proportional to 67,423.87, 101,055.40 and 31,351.60 is: 46,990.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,423.87 : 101,055.40 = 31,351.60 : x
  2. Step 2: Convert to fraction form
    67,423.87/101,055.40 = 31,351.60/x
  3. Step 3: Cross multiply
    67,423.87x = 101,055.40 × 31,351.60
  4. Step 4: Simplify right side
    67,423.87x = 3,168,248,478.64
  5. Step 5: Solve for x
    x = 3,168,248,478.64/67,423.87
  6. Step 6: Final answer
    x = 46,990.01

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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.