Home / 123,837.04-170,890.28-67,247.12

Finding the Fourth Proportional to 123,837.04, 170,890.28 and 67,247.12

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Solution

The fourth proportional to 123,837.04, 170,890.28 and 67,247.12 is: 92,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,837.04 : 170,890.28 = 67,247.12 : x
  2. Step 2: Convert to fraction form
    123,837.04/170,890.28 = 67,247.12/x
  3. Step 3: Cross multiply
    123,837.04x = 170,890.28 × 67,247.12
  4. Step 4: Simplify right side
    123,837.04x = 11,491,879,165.99
  5. Step 5: Solve for x
    x = 11,491,879,165.99/123,837.04
  6. Step 6: Final answer
    x = 92,798.40

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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.