Home / 56,478.99-84,850.87-53,287.35

Finding the Fourth Proportional to 56,478.99, 84,850.87 and 53,287.35

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Solution

The fourth proportional to 56,478.99, 84,850.87 and 53,287.35 is: 80,055.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,478.99 : 84,850.87 = 53,287.35 : x
  2. Step 2: Convert to fraction form
    56,478.99/84,850.87 = 53,287.35/x
  3. Step 3: Cross multiply
    56,478.99x = 84,850.87 × 53,287.35
  4. Step 4: Simplify right side
    56,478.99x = 4,521,478,007.49
  5. Step 5: Solve for x
    x = 4,521,478,007.49/56,478.99
  6. Step 6: Final answer
    x = 80,055.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.