Home / 79,385.84-109,546.44-43,570.16

Finding the Fourth Proportional to 79,385.84, 109,546.44 and 43,570.16

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Solution

The fourth proportional to 79,385.84, 109,546.44 and 43,570.16 is: 60,123.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,385.84 : 109,546.44 = 43,570.16 : x
  2. Step 2: Convert to fraction form
    79,385.84/109,546.44 = 43,570.16/x
  3. Step 3: Cross multiply
    79,385.84x = 109,546.44 × 43,570.16
  4. Step 4: Simplify right side
    79,385.84x = 4,772,955,918.23
  5. Step 5: Solve for x
    x = 4,772,955,918.23/79,385.84
  6. Step 6: Final answer
    x = 60,123.52

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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.