Home / 93,939.12-140,895.72-51,896.88

Finding the Fourth Proportional to 93,939.12, 140,895.72 and 51,896.88

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Solution

The fourth proportional to 93,939.12, 140,895.72 and 51,896.88 is: 77,838.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,939.12 : 140,895.72 = 51,896.88 : x
  2. Step 2: Convert to fraction form
    93,939.12/140,895.72 = 51,896.88/x
  3. Step 3: Cross multiply
    93,939.12x = 140,895.72 × 51,896.88
  4. Step 4: Simplify right side
    93,939.12x = 7,312,048,273.35
  5. Step 5: Solve for x
    x = 7,312,048,273.35/93,939.12
  6. Step 6: Final answer
    x = 77,838.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.