Home / 123,706.18-170,714.54-67,117.56

Finding the Fourth Proportional to 123,706.18, 170,714.54 and 67,117.56

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Solution

The fourth proportional to 123,706.18, 170,714.54 and 67,117.56 is: 92,622.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,706.18 : 170,714.54 = 67,117.56 : x
  2. Step 2: Convert to fraction form
    123,706.18/170,714.54 = 67,117.56/x
  3. Step 3: Cross multiply
    123,706.18x = 170,714.54 × 67,117.56
  4. Step 4: Simplify right side
    123,706.18x = 11,457,943,381.32
  5. Step 5: Solve for x
    x = 11,457,943,381.32/123,706.18
  6. Step 6: Final answer
    x = 92,622.24

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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.