Home / 61,801.34-85,289.10-39,132.06

Finding the Fourth Proportional to 61,801.34, 85,289.10 and 39,132.06

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Solution

The fourth proportional to 61,801.34, 85,289.10 and 39,132.06 is: 54,004.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,801.34 : 85,289.10 = 39,132.06 : x
  2. Step 2: Convert to fraction form
    61,801.34/85,289.10 = 39,132.06/x
  3. Step 3: Cross multiply
    61,801.34x = 85,289.10 × 39,132.06
  4. Step 4: Simplify right side
    61,801.34x = 3,337,538,178.55
  5. Step 5: Solve for x
    x = 3,337,538,178.55/61,801.34
  6. Step 6: Final answer
    x = 54,004.31

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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.