Home / 90,027.92-124,318.56-56,094.80

Finding the Fourth Proportional to 90,027.92, 124,318.56 and 56,094.80

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Solution

The fourth proportional to 90,027.92, 124,318.56 and 56,094.80 is: 77,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,027.92 : 124,318.56 = 56,094.80 : x
  2. Step 2: Convert to fraction form
    90,027.92/124,318.56 = 56,094.80/x
  3. Step 3: Cross multiply
    90,027.92x = 124,318.56 × 56,094.80
  4. Step 4: Simplify right side
    90,027.92x = 6,973,624,759.49
  5. Step 5: Solve for x
    x = 6,973,624,759.49/90,027.92
  6. Step 6: Final answer
    x = 77,460.69

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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.