Home / 66,803.24-92,189.96-38,122.32

Finding the Fourth Proportional to 66,803.24, 92,189.96 and 38,122.32

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Solution

The fourth proportional to 66,803.24, 92,189.96 and 38,122.32 is: 52,609.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,803.24 : 92,189.96 = 38,122.32 : x
  2. Step 2: Convert to fraction form
    66,803.24/92,189.96 = 38,122.32/x
  3. Step 3: Cross multiply
    66,803.24x = 92,189.96 × 38,122.32
  4. Step 4: Simplify right side
    66,803.24x = 3,514,495,382.49
  5. Step 5: Solve for x
    x = 3,514,495,382.49/66,803.24
  6. Step 6: Final answer
    x = 52,609.66

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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.