Home / 98,706.24-136,223.28-58,399.68

Finding the Fourth Proportional to 98,706.24, 136,223.28 and 58,399.68

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Solution

The fourth proportional to 98,706.24, 136,223.28 and 58,399.68 is: 80,596.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,706.24 : 136,223.28 = 58,399.68 : x
  2. Step 2: Convert to fraction form
    98,706.24/136,223.28 = 58,399.68/x
  3. Step 3: Cross multiply
    98,706.24x = 136,223.28 × 58,399.68
  4. Step 4: Simplify right side
    98,706.24x = 7,955,395,960.55
  5. Step 5: Solve for x
    x = 7,955,395,960.55/98,706.24
  6. Step 6: Final answer
    x = 80,596.69

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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.