Home / 90,308.16-124,625.76-50,023.20

Finding the Fourth Proportional to 90,308.16, 124,625.76 and 50,023.20

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Solution

The fourth proportional to 90,308.16, 124,625.76 and 50,023.20 is: 69,032.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,308.16 : 124,625.76 = 50,023.20 : x
  2. Step 2: Convert to fraction form
    90,308.16/124,625.76 = 50,023.20/x
  3. Step 3: Cross multiply
    90,308.16x = 124,625.76 × 50,023.20
  4. Step 4: Simplify right side
    90,308.16x = 6,234,179,317.63
  5. Step 5: Solve for x
    x = 6,234,179,317.63/90,308.16
  6. Step 6: Final answer
    x = 69,032.29

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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.