Home / 91,493.12-126,271.68-53,770.88

Finding the Fourth Proportional to 91,493.12, 126,271.68 and 53,770.88

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Solution

The fourth proportional to 91,493.12, 126,271.68 and 53,770.88 is: 74,210.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,493.12 : 126,271.68 = 53,770.88 : x
  2. Step 2: Convert to fraction form
    91,493.12/126,271.68 = 53,770.88/x
  3. Step 3: Cross multiply
    91,493.12x = 126,271.68 × 53,770.88
  4. Step 4: Simplify right side
    91,493.12x = 6,789,739,352.68
  5. Step 5: Solve for x
    x = 6,789,739,352.68/91,493.12
  6. Step 6: Final answer
    x = 74,210.38

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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.