Home / 90,947.64-125,472.96-56,942.04

Finding the Fourth Proportional to 90,947.64, 125,472.96 and 56,942.04

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Solution

The fourth proportional to 90,947.64, 125,472.96 and 56,942.04 is: 78,558.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,947.64 : 125,472.96 = 56,942.04 : x
  2. Step 2: Convert to fraction form
    90,947.64/125,472.96 = 56,942.04/x
  3. Step 3: Cross multiply
    90,947.64x = 125,472.96 × 56,942.04
  4. Step 4: Simplify right side
    90,947.64x = 7,144,686,307.24
  5. Step 5: Solve for x
    x = 7,144,686,307.24/90,947.64
  6. Step 6: Final answer
    x = 78,558.24

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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.