Home / 70,371.58-97,124.12-40,158.18

Finding the Fourth Proportional to 70,371.58, 97,124.12 and 40,158.18

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Solution

The fourth proportional to 70,371.58, 97,124.12 and 40,158.18 is: 55,424.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,371.58 : 97,124.12 = 40,158.18 : x
  2. Step 2: Convert to fraction form
    70,371.58/97,124.12 = 40,158.18/x
  3. Step 3: Cross multiply
    70,371.58x = 97,124.12 × 40,158.18
  4. Step 4: Simplify right side
    70,371.58x = 3,900,327,893.30
  5. Step 5: Solve for x
    x = 3,900,327,893.30/70,371.58
  6. Step 6: Final answer
    x = 55,424.76

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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.