Home / 61,010.40-91,669.20-38,834.40

Finding the Fourth Proportional to 61,010.40, 91,669.20 and 38,834.40

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Solution

The fourth proportional to 61,010.40, 91,669.20 and 38,834.40 is: 58,349.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,010.40 : 91,669.20 = 38,834.40 : x
  2. Step 2: Convert to fraction form
    61,010.40/91,669.20 = 38,834.40/x
  3. Step 3: Cross multiply
    61,010.40x = 91,669.20 × 38,834.40
  4. Step 4: Simplify right side
    61,010.40x = 3,559,918,380.48
  5. Step 5: Solve for x
    x = 3,559,918,380.48/61,010.40
  6. Step 6: Final answer
    x = 58,349.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.