Home / 58,638.23-80,918.78-34,750.72

Finding the Fourth Proportional to 58,638.23, 80,918.78 and 34,750.72

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Solution

The fourth proportional to 58,638.23, 80,918.78 and 34,750.72 is: 47,954.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,638.23 : 80,918.78 = 34,750.72 : x
  2. Step 2: Convert to fraction form
    58,638.23/80,918.78 = 34,750.72/x
  3. Step 3: Cross multiply
    58,638.23x = 80,918.78 × 34,750.72
  4. Step 4: Simplify right side
    58,638.23x = 2,811,985,461.93
  5. Step 5: Solve for x
    x = 2,811,985,461.93/58,638.23
  6. Step 6: Final answer
    x = 47,954.82

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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.