Home / 112,086.40-154,677.10-61,099.60

Finding the Fourth Proportional to 112,086.40, 154,677.10 and 61,099.60

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Solution

The fourth proportional to 112,086.40, 154,677.10 and 61,099.60 is: 84,316.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,086.40 : 154,677.10 = 61,099.60 : x
  2. Step 2: Convert to fraction form
    112,086.40/154,677.10 = 61,099.60/x
  3. Step 3: Cross multiply
    112,086.40x = 154,677.10 × 61,099.60
  4. Step 4: Simplify right side
    112,086.40x = 9,450,708,939.16
  5. Step 5: Solve for x
    x = 9,450,708,939.16/112,086.40
  6. Step 6: Final answer
    x = 84,316.29

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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.