Home / 61,801.04-85,240.12-40,572.56

Finding the Fourth Proportional to 61,801.04, 85,240.12 and 40,572.56

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Solution

The fourth proportional to 61,801.04, 85,240.12 and 40,572.56 is: 55,960.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,801.04 : 85,240.12 = 40,572.56 : x
  2. Step 2: Convert to fraction form
    61,801.04/85,240.12 = 40,572.56/x
  3. Step 3: Cross multiply
    61,801.04x = 85,240.12 × 40,572.56
  4. Step 4: Simplify right side
    61,801.04x = 3,458,409,883.11
  5. Step 5: Solve for x
    x = 3,458,409,883.11/61,801.04
  6. Step 6: Final answer
    x = 55,960.38

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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.