Home / 57,554.87-79,437.97-38,681.06

Finding the Fourth Proportional to 57,554.87, 79,437.97 and 38,681.06

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Solution

The fourth proportional to 57,554.87, 79,437.97 and 38,681.06 is: 53,388.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,554.87 : 79,437.97 = 38,681.06 : x
  2. Step 2: Convert to fraction form
    57,554.87/79,437.97 = 38,681.06/x
  3. Step 3: Cross multiply
    57,554.87x = 79,437.97 × 38,681.06
  4. Step 4: Simplify right side
    57,554.87x = 3,072,744,486.66
  5. Step 5: Solve for x
    x = 3,072,744,486.66/57,554.87
  6. Step 6: Final answer
    x = 53,388.09

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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.