Home / 72,346.40-108,519.60-60,682.40

Finding the Fourth Proportional to 72,346.40, 108,519.60 and 60,682.40

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Solution

The fourth proportional to 72,346.40, 108,519.60 and 60,682.40 is: 91,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,346.40 : 108,519.60 = 60,682.40 : x
  2. Step 2: Convert to fraction form
    72,346.40/108,519.60 = 60,682.40/x
  3. Step 3: Cross multiply
    72,346.40x = 108,519.60 × 60,682.40
  4. Step 4: Simplify right side
    72,346.40x = 6,585,229,775.04
  5. Step 5: Solve for x
    x = 6,585,229,775.04/72,346.40
  6. Step 6: Final answer
    x = 91,023.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.