Home / 70,187.36-96,847.40-39,973.26

Finding the Fourth Proportional to 70,187.36, 96,847.40 and 39,973.26

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Solution

The fourth proportional to 70,187.36, 96,847.40 and 39,973.26 is: 55,156.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,187.36 : 96,847.40 = 39,973.26 : x
  2. Step 2: Convert to fraction form
    70,187.36/96,847.40 = 39,973.26/x
  3. Step 3: Cross multiply
    70,187.36x = 96,847.40 × 39,973.26
  4. Step 4: Simplify right side
    70,187.36x = 3,871,306,100.66
  5. Step 5: Solve for x
    x = 3,871,306,100.66/70,187.36
  6. Step 6: Final answer
    x = 55,156.75

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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.