Home / 94,055.04-129,775.68-54,288

Finding the Fourth Proportional to 94,055.04, 129,775.68 and 54,288

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Solution

The fourth proportional to 94,055.04, 129,775.68 and 54,288 is: 74,905.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,055.04 : 129,775.68 = 54,288 : x
  2. Step 2: Convert to fraction form
    94,055.04/129,775.68 = 54,288/x
  3. Step 3: Cross multiply
    94,055.04x = 129,775.68 × 54,288
  4. Step 4: Simplify right side
    94,055.04x = 7,045,262,115.84
  5. Step 5: Solve for x
    x = 7,045,262,115.84/94,055.04
  6. Step 6: Final answer
    x = 74,905.74

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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.