Home / 65,173.19-89,918.08-36,488.62

Finding the Fourth Proportional to 65,173.19, 89,918.08 and 36,488.62

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Solution

The fourth proportional to 65,173.19, 89,918.08 and 36,488.62 is: 50,342.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,173.19 : 89,918.08 = 36,488.62 : x
  2. Step 2: Convert to fraction form
    65,173.19/89,918.08 = 36,488.62/x
  3. Step 3: Cross multiply
    65,173.19x = 89,918.08 × 36,488.62
  4. Step 4: Simplify right side
    65,173.19x = 3,280,986,652.25
  5. Step 5: Solve for x
    x = 3,280,986,652.25/65,173.19
  6. Step 6: Final answer
    x = 50,342.58

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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.