Home / 55,105.84-76,045.72-29,955.32

Finding the Fourth Proportional to 55,105.84, 76,045.72 and 29,955.32

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Solution

The fourth proportional to 55,105.84, 76,045.72 and 29,955.32 is: 41,338.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,105.84 : 76,045.72 = 29,955.32 : x
  2. Step 2: Convert to fraction form
    55,105.84/76,045.72 = 29,955.32/x
  3. Step 3: Cross multiply
    55,105.84x = 76,045.72 × 29,955.32
  4. Step 4: Simplify right side
    55,105.84x = 2,277,973,877.23
  5. Step 5: Solve for x
    x = 2,277,973,877.23/55,105.84
  6. Step 6: Final answer
    x = 41,338.16

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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.