Home / 98,782.58-136,305.27-60,000.21

Finding the Fourth Proportional to 98,782.58, 136,305.27 and 60,000.21

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Solution

The fourth proportional to 98,782.58, 136,305.27 and 60,000.21 is: 82,791.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,782.58 : 136,305.27 = 60,000.21 : x
  2. Step 2: Convert to fraction form
    98,782.58/136,305.27 = 60,000.21/x
  3. Step 3: Cross multiply
    98,782.58x = 136,305.27 × 60,000.21
  4. Step 4: Simplify right side
    98,782.58x = 8,178,344,824.11
  5. Step 5: Solve for x
    x = 8,178,344,824.11/98,782.58
  6. Step 6: Final answer
    x = 82,791.37

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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.