Home / 58,486.08-80,615.98-45,716.70

Finding the Fourth Proportional to 58,486.08, 80,615.98 and 45,716.70

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Solution

The fourth proportional to 58,486.08, 80,615.98 and 45,716.70 is: 63,014.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,486.08 : 80,615.98 = 45,716.70 : x
  2. Step 2: Convert to fraction form
    58,486.08/80,615.98 = 45,716.70/x
  3. Step 3: Cross multiply
    58,486.08x = 80,615.98 × 45,716.70
  4. Step 4: Simplify right side
    58,486.08x = 3,685,496,572.87
  5. Step 5: Solve for x
    x = 3,685,496,572.87/58,486.08
  6. Step 6: Final answer
    x = 63,014.94

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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.