Home / 70,701.12-97,579.08-40,480.56

Finding the Fourth Proportional to 70,701.12, 97,579.08 and 40,480.56

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Solution

The fourth proportional to 70,701.12, 97,579.08 and 40,480.56 is: 55,869.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,701.12 : 97,579.08 = 40,480.56 : x
  2. Step 2: Convert to fraction form
    70,701.12/97,579.08 = 40,480.56/x
  3. Step 3: Cross multiply
    70,701.12x = 97,579.08 × 40,480.56
  4. Step 4: Simplify right side
    70,701.12x = 3,950,055,802.68
  5. Step 5: Solve for x
    x = 3,950,055,802.68/70,701.12
  6. Step 6: Final answer
    x = 55,869.78

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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.