Home / 56,895.86-78,543.60-33,018.68

Finding the Fourth Proportional to 56,895.86, 78,543.60 and 33,018.68

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Solution

The fourth proportional to 56,895.86, 78,543.60 and 33,018.68 is: 45,581.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,895.86 : 78,543.60 = 33,018.68 : x
  2. Step 2: Convert to fraction form
    56,895.86/78,543.60 = 33,018.68/x
  3. Step 3: Cross multiply
    56,895.86x = 78,543.60 × 33,018.68
  4. Step 4: Simplify right side
    56,895.86x = 2,593,405,994.45
  5. Step 5: Solve for x
    x = 2,593,405,994.45/56,895.86
  6. Step 6: Final answer
    x = 45,581.63

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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.