Home / 66,960.12-92,306.28-51,016.92

Finding the Fourth Proportional to 66,960.12, 92,306.28 and 51,016.92

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Solution

The fourth proportional to 66,960.12, 92,306.28 and 51,016.92 is: 70,328.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,960.12 : 92,306.28 = 51,016.92 : x
  2. Step 2: Convert to fraction form
    66,960.12/92,306.28 = 51,016.92/x
  3. Step 3: Cross multiply
    66,960.12x = 92,306.28 × 51,016.92
  4. Step 4: Simplify right side
    66,960.12x = 4,709,182,102.26
  5. Step 5: Solve for x
    x = 4,709,182,102.26/66,960.12
  6. Step 6: Final answer
    x = 70,328.16

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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.