Home / 56,619.40-84,929.10-36,936.40

Finding the Fourth Proportional to 56,619.40, 84,929.10 and 36,936.40

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Solution

The fourth proportional to 56,619.40, 84,929.10 and 36,936.40 is: 55,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,619.40 : 84,929.10 = 36,936.40 : x
  2. Step 2: Convert to fraction form
    56,619.40/84,929.10 = 36,936.40/x
  3. Step 3: Cross multiply
    56,619.40x = 84,929.10 × 36,936.40
  4. Step 4: Simplify right side
    56,619.40x = 3,136,975,209.24
  5. Step 5: Solve for x
    x = 3,136,975,209.24/56,619.40
  6. Step 6: Final answer
    x = 55,404.60

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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.