Home / 93,999.45-129,718.35-50,979.89

Finding the Fourth Proportional to 93,999.45, 129,718.35 and 50,979.89

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Solution

The fourth proportional to 93,999.45, 129,718.35 and 50,979.89 is: 70,351.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,999.45 : 129,718.35 = 50,979.89 : x
  2. Step 2: Convert to fraction form
    93,999.45/129,718.35 = 50,979.89/x
  3. Step 3: Cross multiply
    93,999.45x = 129,718.35 × 50,979.89
  4. Step 4: Simplify right side
    93,999.45x = 6,613,026,565.39
  5. Step 5: Solve for x
    x = 6,613,026,565.39/93,999.45
  6. Step 6: Final answer
    x = 70,351.76

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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.