Home / 65,839.04-90,858.60-37,546.40

Finding the Fourth Proportional to 65,839.04, 90,858.60 and 37,546.40

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Solution

The fourth proportional to 65,839.04, 90,858.60 and 37,546.40 is: 51,814.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,839.04 : 90,858.60 = 37,546.40 : x
  2. Step 2: Convert to fraction form
    65,839.04/90,858.60 = 37,546.40/x
  3. Step 3: Cross multiply
    65,839.04x = 90,858.60 × 37,546.40
  4. Step 4: Simplify right side
    65,839.04x = 3,411,413,339.04
  5. Step 5: Solve for x
    x = 3,411,413,339.04/65,839.04
  6. Step 6: Final answer
    x = 51,814.45

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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.