Home / 67,206.16-92,729.62-38,895.45

Finding the Fourth Proportional to 67,206.16, 92,729.62 and 38,895.45

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Solution

The fourth proportional to 67,206.16, 92,729.62 and 38,895.45 is: 53,667.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,206.16 : 92,729.62 = 38,895.45 : x
  2. Step 2: Convert to fraction form
    67,206.16/92,729.62 = 38,895.45/x
  3. Step 3: Cross multiply
    67,206.16x = 92,729.62 × 38,895.45
  4. Step 4: Simplify right side
    67,206.16x = 3,606,760,298.23
  5. Step 5: Solve for x
    x = 3,606,760,298.23/67,206.16
  6. Step 6: Final answer
    x = 53,667.11

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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.