Home / 72,837.92-100,544.54-56,927.49

Finding the Fourth Proportional to 72,837.92, 100,544.54 and 56,927.49

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Solution

The fourth proportional to 72,837.92, 100,544.54 and 56,927.49 is: 78,581.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,837.92 : 100,544.54 = 56,927.49 : x
  2. Step 2: Convert to fraction form
    72,837.92/100,544.54 = 56,927.49/x
  3. Step 3: Cross multiply
    72,837.92x = 100,544.54 × 56,927.49
  4. Step 4: Simplify right side
    72,837.92x = 5,723,748,295.40
  5. Step 5: Solve for x
    x = 5,723,748,295.40/72,837.92
  6. Step 6: Final answer
    x = 78,581.98

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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.