Home / 90,169.96-124,420.26-58,340.20

Finding the Fourth Proportional to 90,169.96, 124,420.26 and 58,340.20

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Solution

The fourth proportional to 90,169.96, 124,420.26 and 58,340.20 is: 80,500.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,169.96 : 124,420.26 = 58,340.20 : x
  2. Step 2: Convert to fraction form
    90,169.96/124,420.26 = 58,340.20/x
  3. Step 3: Cross multiply
    90,169.96x = 124,420.26 × 58,340.20
  4. Step 4: Simplify right side
    90,169.96x = 7,258,702,852.45
  5. Step 5: Solve for x
    x = 7,258,702,852.45/90,169.96
  6. Step 6: Final answer
    x = 80,500.23

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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.