Home / 104,081.19-143,632.47-56,334.52

Finding the Fourth Proportional to 104,081.19, 143,632.47 and 56,334.52

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Solution

The fourth proportional to 104,081.19, 143,632.47 and 56,334.52 is: 77,741.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,081.19 : 143,632.47 = 56,334.52 : x
  2. Step 2: Convert to fraction form
    104,081.19/143,632.47 = 56,334.52/x
  3. Step 3: Cross multiply
    104,081.19x = 143,632.47 × 56,334.52
  4. Step 4: Simplify right side
    104,081.19x = 8,091,466,253.86
  5. Step 5: Solve for x
    x = 8,091,466,253.86/104,081.19
  6. Step 6: Final answer
    x = 77,741.87

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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.