Home / 99,240.58-136,950.34-53,919.26

Finding the Fourth Proportional to 99,240.58, 136,950.34 and 53,919.26

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Solution

The fourth proportional to 99,240.58, 136,950.34 and 53,919.26 is: 74,407.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,240.58 : 136,950.34 = 53,919.26 : x
  2. Step 2: Convert to fraction form
    99,240.58/136,950.34 = 53,919.26/x
  3. Step 3: Cross multiply
    99,240.58x = 136,950.34 × 53,919.26
  4. Step 4: Simplify right side
    99,240.58x = 7,384,260,989.55
  5. Step 5: Solve for x
    x = 7,384,260,989.55/99,240.58
  6. Step 6: Final answer
    x = 74,407.68

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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.