Home / 79,110.34-118,665.59-29,168.80

Finding the Fourth Proportional to 79,110.34, 118,665.59 and 29,168.80

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Solution

The fourth proportional to 79,110.34, 118,665.59 and 29,168.80 is: 43,753.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,110.34 : 118,665.59 = 29,168.80 : x
  2. Step 2: Convert to fraction form
    79,110.34/118,665.59 = 29,168.80/x
  3. Step 3: Cross multiply
    79,110.34x = 118,665.59 × 29,168.80
  4. Step 4: Simplify right side
    79,110.34x = 3,461,332,341.19
  5. Step 5: Solve for x
    x = 3,461,332,341.19/79,110.34
  6. Step 6: Final answer
    x = 43,753.23

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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.