Home / 67,020.08-92,484.59-40,177.49

Finding the Fourth Proportional to 67,020.08, 92,484.59 and 40,177.49

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Solution

The fourth proportional to 67,020.08, 92,484.59 and 40,177.49 is: 55,443.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,020.08 : 92,484.59 = 40,177.49 : x
  2. Step 2: Convert to fraction form
    67,020.08/92,484.59 = 40,177.49/x
  3. Step 3: Cross multiply
    67,020.08x = 92,484.59 × 40,177.49
  4. Step 4: Simplify right side
    67,020.08x = 3,715,798,026.57
  5. Step 5: Solve for x
    x = 3,715,798,026.57/67,020.08
  6. Step 6: Final answer
    x = 55,443.06

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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.