Home / 66,775.88-92,161.06-38,095.61

Finding the Fourth Proportional to 66,775.88, 92,161.06 and 38,095.61

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Solution

The fourth proportional to 66,775.88, 92,161.06 and 38,095.61 is: 52,577.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,775.88 : 92,161.06 = 38,095.61 : x
  2. Step 2: Convert to fraction form
    66,775.88/92,161.06 = 38,095.61/x
  3. Step 3: Cross multiply
    66,775.88x = 92,161.06 × 38,095.61
  4. Step 4: Simplify right side
    66,775.88x = 3,510,931,242.90
  5. Step 5: Solve for x
    x = 3,510,931,242.90/66,775.88
  6. Step 6: Final answer
    x = 52,577.83

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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.