Home / 112,261.86-154,910.34-61,957.62

Finding the Fourth Proportional to 112,261.86, 154,910.34 and 61,957.62

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Solution

The fourth proportional to 112,261.86, 154,910.34 and 61,957.62 is: 85,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,261.86 : 154,910.34 = 61,957.62 : x
  2. Step 2: Convert to fraction form
    112,261.86/154,910.34 = 61,957.62/x
  3. Step 3: Cross multiply
    112,261.86x = 154,910.34 × 61,957.62
  4. Step 4: Simplify right side
    112,261.86x = 9,597,875,979.79
  5. Step 5: Solve for x
    x = 9,597,875,979.79/112,261.86
  6. Step 6: Final answer
    x = 85,495.43

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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.