Home / 102,881.68-141,971.00-57,550.91

Finding the Fourth Proportional to 102,881.68, 141,971.00 and 57,550.91

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Solution

The fourth proportional to 102,881.68, 141,971.00 and 57,550.91 is: 79,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,881.68 : 141,971.00 = 57,550.91 : x
  2. Step 2: Convert to fraction form
    102,881.68/141,971.00 = 57,550.91/x
  3. Step 3: Cross multiply
    102,881.68x = 141,971.00 × 57,550.91
  4. Step 4: Simplify right side
    102,881.68x = 8,170,559,246.00
  5. Step 5: Solve for x
    x = 8,170,559,246.00/102,881.68
  6. Step 6: Final answer
    x = 79,417.05

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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.