Home / 66,835.26-92,228.58-38,158.20

Finding the Fourth Proportional to 66,835.26, 92,228.58 and 38,158.20

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Solution

The fourth proportional to 66,835.26, 92,228.58 and 38,158.20 is: 52,655.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,835.26 : 92,228.58 = 38,158.20 : x
  2. Step 2: Convert to fraction form
    66,835.26/92,228.58 = 38,158.20/x
  3. Step 3: Cross multiply
    66,835.26x = 92,228.58 × 38,158.20
  4. Step 4: Simplify right side
    66,835.26x = 3,519,276,601.36
  5. Step 5: Solve for x
    x = 3,519,276,601.36/66,835.26
  6. Step 6: Final answer
    x = 52,655.99

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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.