Home / 56,181.86-77,562.09-38,303.13

Finding the Fourth Proportional to 56,181.86, 77,562.09 and 38,303.13

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Solution

The fourth proportional to 56,181.86, 77,562.09 and 38,303.13 is: 52,879.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,181.86 : 77,562.09 = 38,303.13 : x
  2. Step 2: Convert to fraction form
    56,181.86/77,562.09 = 38,303.13/x
  3. Step 3: Cross multiply
    56,181.86x = 77,562.09 × 38,303.13
  4. Step 4: Simplify right side
    56,181.86x = 2,970,870,816.34
  5. Step 5: Solve for x
    x = 2,970,870,816.34/56,181.86
  6. Step 6: Final answer
    x = 52,879.54

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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.