Home / 79,641.33-109,903.01-43,341.23

Finding the Fourth Proportional to 79,641.33, 109,903.01 and 43,341.23

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Solution

The fourth proportional to 79,641.33, 109,903.01 and 43,341.23 is: 59,809.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,641.33 : 109,903.01 = 43,341.23 : x
  2. Step 2: Convert to fraction form
    79,641.33/109,903.01 = 43,341.23/x
  3. Step 3: Cross multiply
    79,641.33x = 109,903.01 × 43,341.23
  4. Step 4: Simplify right side
    79,641.33x = 4,763,331,634.10
  5. Step 5: Solve for x
    x = 4,763,331,634.10/79,641.33
  6. Step 6: Final answer
    x = 59,809.80

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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.