Home / 79,222.38-109,326.95-43,412.55

Finding the Fourth Proportional to 79,222.38, 109,326.95 and 43,412.55

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Solution

The fourth proportional to 79,222.38, 109,326.95 and 43,412.55 is: 59,909.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,222.38 : 109,326.95 = 43,412.55 : x
  2. Step 2: Convert to fraction form
    79,222.38/109,326.95 = 43,412.55/x
  3. Step 3: Cross multiply
    79,222.38x = 109,326.95 × 43,412.55
  4. Step 4: Simplify right side
    79,222.38x = 4,746,161,683.22
  5. Step 5: Solve for x
    x = 4,746,161,683.22/79,222.38
  6. Step 6: Final answer
    x = 59,909.35

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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.