Home / 70,451.12-97,218.91-40,230.52

Finding the Fourth Proportional to 70,451.12, 97,218.91 and 40,230.52

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Solution

The fourth proportional to 70,451.12, 97,218.91 and 40,230.52 is: 55,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,451.12 : 97,218.91 = 40,230.52 : x
  2. Step 2: Convert to fraction form
    70,451.12/97,218.91 = 40,230.52/x
  3. Step 3: Cross multiply
    70,451.12x = 97,218.91 × 40,230.52
  4. Step 4: Simplify right side
    70,451.12x = 3,911,167,544.08
  5. Step 5: Solve for x
    x = 3,911,167,544.08/70,451.12
  6. Step 6: Final answer
    x = 55,516.05

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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.