Home / 86,372.52-119,213.70-56,105.10

Finding the Fourth Proportional to 86,372.52, 119,213.70 and 56,105.10

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Solution

The fourth proportional to 86,372.52, 119,213.70 and 56,105.10 is: 77,437.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,372.52 : 119,213.70 = 56,105.10 : x
  2. Step 2: Convert to fraction form
    86,372.52/119,213.70 = 56,105.10/x
  3. Step 3: Cross multiply
    86,372.52x = 119,213.70 × 56,105.10
  4. Step 4: Simplify right side
    86,372.52x = 6,688,496,559.87
  5. Step 5: Solve for x
    x = 6,688,496,559.87/86,372.52
  6. Step 6: Final answer
    x = 77,437.78

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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.