Home / 90,830.54-125,344.58-50,543.16

Finding the Fourth Proportional to 90,830.54, 125,344.58 and 50,543.16

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Solution

The fourth proportional to 90,830.54, 125,344.58 and 50,543.16 is: 69,748.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,830.54 : 125,344.58 = 50,543.16 : x
  2. Step 2: Convert to fraction form
    90,830.54/125,344.58 = 50,543.16/x
  3. Step 3: Cross multiply
    90,830.54x = 125,344.58 × 50,543.16
  4. Step 4: Simplify right side
    90,830.54x = 6,335,310,909.36
  5. Step 5: Solve for x
    x = 6,335,310,909.36/90,830.54
  6. Step 6: Final answer
    x = 69,748.69

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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.