Home / 70,039.08-96,645.78-39,827.88

Finding the Fourth Proportional to 70,039.08, 96,645.78 and 39,827.88

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Solution

The fourth proportional to 70,039.08, 96,645.78 and 39,827.88 is: 54,957.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,039.08 : 96,645.78 = 39,827.88 : x
  2. Step 2: Convert to fraction form
    70,039.08/96,645.78 = 39,827.88/x
  3. Step 3: Cross multiply
    70,039.08x = 96,645.78 × 39,827.88
  4. Step 4: Simplify right side
    70,039.08x = 3,849,196,528.35
  5. Step 5: Solve for x
    x = 3,849,196,528.35/70,039.08
  6. Step 6: Final answer
    x = 54,957.84

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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.