Home / 67,181.51-92,714.42-38,510.06

Finding the Fourth Proportional to 67,181.51, 92,714.42 and 38,510.06

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Solution

The fourth proportional to 67,181.51, 92,714.42 and 38,510.06 is: 53,146.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,181.51 : 92,714.42 = 38,510.06 : x
  2. Step 2: Convert to fraction form
    67,181.51/92,714.42 = 38,510.06/x
  3. Step 3: Cross multiply
    67,181.51x = 92,714.42 × 38,510.06
  4. Step 4: Simplify right side
    67,181.51x = 3,570,437,220.94
  5. Step 5: Solve for x
    x = 3,570,437,220.94/67,181.51
  6. Step 6: Final answer
    x = 53,146.13

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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.