Home / 55,151.36-76,068.10-34,990.84

Finding the Fourth Proportional to 55,151.36, 76,068.10 and 34,990.84

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Solution

The fourth proportional to 55,151.36, 76,068.10 and 34,990.84 is: 48,261.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,151.36 : 76,068.10 = 34,990.84 : x
  2. Step 2: Convert to fraction form
    55,151.36/76,068.10 = 34,990.84/x
  3. Step 3: Cross multiply
    55,151.36x = 76,068.10 × 34,990.84
  4. Step 4: Simplify right side
    55,151.36x = 2,661,686,716.20
  5. Step 5: Solve for x
    x = 2,661,686,716.20/55,151.36
  6. Step 6: Final answer
    x = 48,261.49

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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.