Home / 67,841.36-93,621.12-37,631.28

Finding the Fourth Proportional to 67,841.36, 93,621.12 and 37,631.28

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Solution

The fourth proportional to 67,841.36, 93,621.12 and 37,631.28 is: 51,931.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,841.36 : 93,621.12 = 37,631.28 : x
  2. Step 2: Convert to fraction form
    67,841.36/93,621.12 = 37,631.28/x
  3. Step 3: Cross multiply
    67,841.36x = 93,621.12 × 37,631.28
  4. Step 4: Simplify right side
    67,841.36x = 3,523,082,580.63
  5. Step 5: Solve for x
    x = 3,523,082,580.63/67,841.36
  6. Step 6: Final answer
    x = 51,931.19

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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.