Home / 90,500.85-124,859.41-52,259.31

Finding the Fourth Proportional to 90,500.85, 124,859.41 and 52,259.31

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Solution

The fourth proportional to 90,500.85, 124,859.41 and 52,259.31 is: 72,099.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,500.85 : 124,859.41 = 52,259.31 : x
  2. Step 2: Convert to fraction form
    90,500.85/124,859.41 = 52,259.31/x
  3. Step 3: Cross multiply
    90,500.85x = 124,859.41 × 52,259.31
  4. Step 4: Simplify right side
    90,500.85x = 6,525,066,613.61
  5. Step 5: Solve for x
    x = 6,525,066,613.61/90,500.85
  6. Step 6: Final answer
    x = 72,099.51

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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.