Home / 112,104.84-154,617.14-71,822.32

Finding the Fourth Proportional to 112,104.84, 154,617.14 and 71,822.32

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Solution

The fourth proportional to 112,104.84, 154,617.14 and 71,822.32 is: 99,058.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,104.84 : 154,617.14 = 71,822.32 : x
  2. Step 2: Convert to fraction form
    112,104.84/154,617.14 = 71,822.32/x
  3. Step 3: Cross multiply
    112,104.84x = 154,617.14 × 71,822.32
  4. Step 4: Simplify right side
    112,104.84x = 11,104,961,706.56
  5. Step 5: Solve for x
    x = 11,104,961,706.56/112,104.84
  6. Step 6: Final answer
    x = 99,058.72

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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.