Home / 87,751.55-121,097.23-47,465.19

Finding the Fourth Proportional to 87,751.55, 121,097.23 and 47,465.19

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Solution

The fourth proportional to 87,751.55, 121,097.23 and 47,465.19 is: 65,502.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,751.55 : 121,097.23 = 47,465.19 : x
  2. Step 2: Convert to fraction form
    87,751.55/121,097.23 = 47,465.19/x
  3. Step 3: Cross multiply
    87,751.55x = 121,097.23 × 47,465.19
  4. Step 4: Simplify right side
    87,751.55x = 5,747,902,911.76
  5. Step 5: Solve for x
    x = 5,747,902,911.76/87,751.55
  6. Step 6: Final answer
    x = 65,502.01

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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.