Home / 70,727.65-97,602.20-38,896.55

Finding the Fourth Proportional to 70,727.65, 97,602.20 and 38,896.55

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Solution

The fourth proportional to 70,727.65, 97,602.20 and 38,896.55 is: 53,676.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,727.65 : 97,602.20 = 38,896.55 : x
  2. Step 2: Convert to fraction form
    70,727.65/97,602.20 = 38,896.55/x
  3. Step 3: Cross multiply
    70,727.65x = 97,602.20 × 38,896.55
  4. Step 4: Simplify right side
    70,727.65x = 3,796,388,852.41
  5. Step 5: Solve for x
    x = 3,796,388,852.41/70,727.65
  6. Step 6: Final answer
    x = 53,676.16

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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.