Home / 79,421.88-109,567.26-49,199.16

Finding the Fourth Proportional to 79,421.88, 109,567.26 and 49,199.16

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Solution

The fourth proportional to 79,421.88, 109,567.26 and 49,199.16 is: 67,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,421.88 : 109,567.26 = 49,199.16 : x
  2. Step 2: Convert to fraction form
    79,421.88/109,567.26 = 49,199.16/x
  3. Step 3: Cross multiply
    79,421.88x = 109,567.26 × 49,199.16
  4. Step 4: Simplify right side
    79,421.88x = 5,390,617,155.50
  5. Step 5: Solve for x
    x = 5,390,617,155.50/79,421.88
  6. Step 6: Final answer
    x = 67,873.20

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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.