Home / 58,438.08-80,638.61-34,560.09

Finding the Fourth Proportional to 58,438.08, 80,638.61 and 34,560.09

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Solution

The fourth proportional to 58,438.08, 80,638.61 and 34,560.09 is: 47,689.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,438.08 : 80,638.61 = 34,560.09 : x
  2. Step 2: Convert to fraction form
    58,438.08/80,638.61 = 34,560.09/x
  3. Step 3: Cross multiply
    58,438.08x = 80,638.61 × 34,560.09
  4. Step 4: Simplify right side
    58,438.08x = 2,786,877,446.27
  5. Step 5: Solve for x
    x = 2,786,877,446.27/58,438.08
  6. Step 6: Final answer
    x = 47,689.41

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1.5x scale

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.