Home / 74,535.28-111,377.09-56,667.76

Finding the Fourth Proportional to 74,535.28, 111,377.09 and 56,667.76

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Solution

The fourth proportional to 74,535.28, 111,377.09 and 56,667.76 is: 84,677.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,535.28 : 111,377.09 = 56,667.76 : x
  2. Step 2: Convert to fraction form
    74,535.28/111,377.09 = 56,667.76/x
  3. Step 3: Cross multiply
    74,535.28x = 111,377.09 × 56,667.76
  4. Step 4: Simplify right side
    74,535.28x = 6,311,490,205.62
  5. Step 5: Solve for x
    x = 6,311,490,205.62/74,535.28
  6. Step 6: Final answer
    x = 84,677.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.