Home / 56,203.86-77,916.46-53,207.62

Finding the Fourth Proportional to 56,203.86, 77,916.46 and 53,207.62

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Solution

The fourth proportional to 56,203.86, 77,916.46 and 53,207.62 is: 73,762.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,203.86 : 77,916.46 = 53,207.62 : x
  2. Step 2: Convert to fraction form
    56,203.86/77,916.46 = 53,207.62/x
  3. Step 3: Cross multiply
    56,203.86x = 77,916.46 × 53,207.62
  4. Step 4: Simplify right side
    56,203.86x = 4,145,749,129.39
  5. Step 5: Solve for x
    x = 4,145,749,129.39/56,203.86
  6. Step 6: Final answer
    x = 73,762.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.