Home / 112,143.76-154,750.56-63,092.77

Finding the Fourth Proportional to 112,143.76, 154,750.56 and 63,092.77

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Solution

The fourth proportional to 112,143.76, 154,750.56 and 63,092.77 is: 87,063.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,143.76 : 154,750.56 = 63,092.77 : x
  2. Step 2: Convert to fraction form
    112,143.76/154,750.56 = 63,092.77/x
  3. Step 3: Cross multiply
    112,143.76x = 154,750.56 × 63,092.77
  4. Step 4: Simplify right side
    112,143.76x = 9,763,641,489.45
  5. Step 5: Solve for x
    x = 9,763,641,489.45/112,143.76
  6. Step 6: Final answer
    x = 87,063.62

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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.