Home / 98,792.88-136,332.90-56,352.12

Finding the Fourth Proportional to 98,792.88, 136,332.90 and 56,352.12

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Solution

The fourth proportional to 98,792.88, 136,332.90 and 56,352.12 is: 77,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,792.88 : 136,332.90 = 56,352.12 : x
  2. Step 2: Convert to fraction form
    98,792.88/136,332.90 = 56,352.12/x
  3. Step 3: Cross multiply
    98,792.88x = 136,332.90 × 56,352.12
  4. Step 4: Simplify right side
    98,792.88x = 7,682,647,940.75
  5. Step 5: Solve for x
    x = 7,682,647,940.75/98,792.88
  6. Step 6: Final answer
    x = 77,765.20

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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.