Home / 94,057.04-129,778.44-54,290

Finding the Fourth Proportional to 94,057.04, 129,778.44 and 54,290

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Solution

The fourth proportional to 94,057.04, 129,778.44 and 54,290 is: 74,908.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,057.04 : 129,778.44 = 54,290 : x
  2. Step 2: Convert to fraction form
    94,057.04/129,778.44 = 54,290/x
  3. Step 3: Cross multiply
    94,057.04x = 129,778.44 × 54,290
  4. Step 4: Simplify right side
    94,057.04x = 7,045,671,507.60
  5. Step 5: Solve for x
    x = 7,045,671,507.60/94,057.04
  6. Step 6: Final answer
    x = 74,908.50

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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.