Home / 112,045.94-154,612.42-66,714.90

Finding the Fourth Proportional to 112,045.94, 154,612.42 and 66,714.90

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Solution

The fourth proportional to 112,045.94, 154,612.42 and 66,714.90 is: 92,060.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,045.94 : 154,612.42 = 66,714.90 : x
  2. Step 2: Convert to fraction form
    112,045.94/154,612.42 = 66,714.90/x
  3. Step 3: Cross multiply
    112,045.94x = 154,612.42 × 66,714.90
  4. Step 4: Simplify right side
    112,045.94x = 10,314,952,139.06
  5. Step 5: Solve for x
    x = 10,314,952,139.06/112,045.94
  6. Step 6: Final answer
    x = 92,060.03

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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.