Home / 112,059.94-154,638.78-61,071.64

Finding the Fourth Proportional to 112,059.94, 154,638.78 and 61,071.64

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Solution

The fourth proportional to 112,059.94, 154,638.78 and 61,071.64 is: 84,276.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,059.94 : 154,638.78 = 61,071.64 : x
  2. Step 2: Convert to fraction form
    112,059.94/154,638.78 = 61,071.64/x
  3. Step 3: Cross multiply
    112,059.94x = 154,638.78 × 61,071.64
  4. Step 4: Simplify right side
    112,059.94x = 9,444,043,902.20
  5. Step 5: Solve for x
    x = 9,444,043,902.20/112,059.94
  6. Step 6: Final answer
    x = 84,276.72

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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.