Home / 55,036.80-75,962.88-36,175.68

Finding the Fourth Proportional to 55,036.80, 75,962.88 and 36,175.68

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Solution

The fourth proportional to 55,036.80, 75,962.88 and 36,175.68 is: 49,930.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,036.80 : 75,962.88 = 36,175.68 : x
  2. Step 2: Convert to fraction form
    55,036.80/75,962.88 = 36,175.68/x
  3. Step 3: Cross multiply
    55,036.80x = 75,962.88 × 36,175.68
  4. Step 4: Simplify right side
    55,036.80x = 2,748,008,838.76
  5. Step 5: Solve for x
    x = 2,748,008,838.76/55,036.80
  6. Step 6: Final answer
    x = 49,930.39

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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.