Home / 112,258.28-154,915.66-61,957.28

Finding the Fourth Proportional to 112,258.28, 154,915.66 and 61,957.28

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Solution

The fourth proportional to 112,258.28, 154,915.66 and 61,957.28 is: 85,500.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,258.28 : 154,915.66 = 61,957.28 : x
  2. Step 2: Convert to fraction form
    112,258.28/154,915.66 = 61,957.28/x
  3. Step 3: Cross multiply
    112,258.28x = 154,915.66 × 61,957.28
  4. Step 4: Simplify right side
    112,258.28x = 9,598,152,923.00
  5. Step 5: Solve for x
    x = 9,598,152,923.00/112,258.28
  6. Step 6: Final answer
    x = 85,500.62

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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.