Home / 94,826.80-142,239.28-38,653.72

Finding the Fourth Proportional to 94,826.80, 142,239.28 and 38,653.72

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Solution

The fourth proportional to 94,826.80, 142,239.28 and 38,653.72 is: 57,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,826.80 : 142,239.28 = 38,653.72 : x
  2. Step 2: Convert to fraction form
    94,826.80/142,239.28 = 38,653.72/x
  3. Step 3: Cross multiply
    94,826.80x = 142,239.28 × 38,653.72
  4. Step 4: Simplify right side
    94,826.80x = 5,498,077,302.12
  5. Step 5: Solve for x
    x = 5,498,077,302.12/94,826.80
  6. Step 6: Final answer
    x = 57,980.20

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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.