Home / 70,723.14-97,570.31-40,492.31

Finding the Fourth Proportional to 70,723.14, 97,570.31 and 40,492.31

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Solution

The fourth proportional to 70,723.14, 97,570.31 and 40,492.31 is: 55,863.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,723.14 : 97,570.31 = 40,492.31 : x
  2. Step 2: Convert to fraction form
    70,723.14/97,570.31 = 40,492.31/x
  3. Step 3: Cross multiply
    70,723.14x = 97,570.31 × 40,492.31
  4. Step 4: Simplify right side
    70,723.14x = 3,950,846,719.83
  5. Step 5: Solve for x
    x = 3,950,846,719.83/70,723.14
  6. Step 6: Final answer
    x = 55,863.57

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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.