Home / 67,174.04-92,702.40-38,499.13

Finding the Fourth Proportional to 67,174.04, 92,702.40 and 38,499.13

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Solution

The fourth proportional to 67,174.04, 92,702.40 and 38,499.13 is: 53,130.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,174.04 : 92,702.40 = 38,499.13 : x
  2. Step 2: Convert to fraction form
    67,174.04/92,702.40 = 38,499.13/x
  3. Step 3: Cross multiply
    67,174.04x = 92,702.40 × 38,499.13
  4. Step 4: Simplify right side
    67,174.04x = 3,568,961,720.42
  5. Step 5: Solve for x
    x = 3,568,961,720.42/67,174.04
  6. Step 6: Final answer
    x = 53,130.07

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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.