Home / 90,157.20-124,375.05-58,336.35

Finding the Fourth Proportional to 90,157.20, 124,375.05 and 58,336.35

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Solution

The fourth proportional to 90,157.20, 124,375.05 and 58,336.35 is: 80,477.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,157.20 : 124,375.05 = 58,336.35 : x
  2. Step 2: Convert to fraction form
    90,157.20/124,375.05 = 58,336.35/x
  3. Step 3: Cross multiply
    90,157.20x = 124,375.05 × 58,336.35
  4. Step 4: Simplify right side
    90,157.20x = 7,255,586,448.07
  5. Step 5: Solve for x
    x = 7,255,586,448.07/90,157.20
  6. Step 6: Final answer
    x = 80,477.06

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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.