Home / 90,260.46-124,563.96-49,978.62

Finding the Fourth Proportional to 90,260.46, 124,563.96 and 49,978.62

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Solution

The fourth proportional to 90,260.46, 124,563.96 and 49,978.62 is: 68,973.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,260.46 : 124,563.96 = 49,978.62 : x
  2. Step 2: Convert to fraction form
    90,260.46/124,563.96 = 49,978.62/x
  3. Step 3: Cross multiply
    90,260.46x = 124,563.96 × 49,978.62
  4. Step 4: Simplify right side
    90,260.46x = 6,225,534,822.54
  5. Step 5: Solve for x
    x = 6,225,534,822.54/90,260.46
  6. Step 6: Final answer
    x = 68,973.00

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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.