Home / 78,461.14-108,300.10-53,325.22

Finding the Fourth Proportional to 78,461.14, 108,300.10 and 53,325.22

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Solution

The fourth proportional to 78,461.14, 108,300.10 and 53,325.22 is: 73,604.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,461.14 : 108,300.10 = 53,325.22 : x
  2. Step 2: Convert to fraction form
    78,461.14/108,300.10 = 53,325.22/x
  3. Step 3: Cross multiply
    78,461.14x = 108,300.10 × 53,325.22
  4. Step 4: Simplify right side
    78,461.14x = 5,775,126,658.52
  5. Step 5: Solve for x
    x = 5,775,126,658.52/78,461.14
  6. Step 6: Final answer
    x = 73,604.93

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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.