Home / 66,714.47-92,050.89-39,851.72

Finding the Fourth Proportional to 66,714.47, 92,050.89 and 39,851.72

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Solution

The fourth proportional to 66,714.47, 92,050.89 and 39,851.72 is: 54,986.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,714.47 : 92,050.89 = 39,851.72 : x
  2. Step 2: Convert to fraction form
    66,714.47/92,050.89 = 39,851.72/x
  3. Step 3: Cross multiply
    66,714.47x = 92,050.89 × 39,851.72
  4. Step 4: Simplify right side
    66,714.47x = 3,668,385,833.78
  5. Step 5: Solve for x
    x = 3,668,385,833.78/66,714.47
  6. Step 6: Final answer
    x = 54,986.36

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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.