Home / 94,791.20-130,806.60-58,980.08

Finding the Fourth Proportional to 94,791.20, 130,806.60 and 58,980.08

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Solution

The fourth proportional to 94,791.20, 130,806.60 and 58,980.08 is: 81,389.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,791.20 : 130,806.60 = 58,980.08 : x
  2. Step 2: Convert to fraction form
    94,791.20/130,806.60 = 58,980.08/x
  3. Step 3: Cross multiply
    94,791.20x = 130,806.60 × 58,980.08
  4. Step 4: Simplify right side
    94,791.20x = 7,714,983,732.53
  5. Step 5: Solve for x
    x = 7,714,983,732.53/94,791.20
  6. Step 6: Final answer
    x = 81,389.24

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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.