Home / 70,623.36-97,371.72-51,727.68

Finding the Fourth Proportional to 70,623.36, 97,371.72 and 51,727.68

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Solution

The fourth proportional to 70,623.36, 97,371.72 and 51,727.68 is: 71,319.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,623.36 : 97,371.72 = 51,727.68 : x
  2. Step 2: Convert to fraction form
    70,623.36/97,371.72 = 51,727.68/x
  3. Step 3: Cross multiply
    70,623.36x = 97,371.72 × 51,727.68
  4. Step 4: Simplify right side
    70,623.36x = 5,036,813,173.21
  5. Step 5: Solve for x
    x = 5,036,813,173.21/70,623.36
  6. Step 6: Final answer
    x = 71,319.36

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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.