Home / 54,749.07-82,116.50-17,312.89

Finding the Fourth Proportional to 54,749.07, 82,116.50 and 17,312.89

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Solution

The fourth proportional to 54,749.07, 82,116.50 and 17,312.89 is: 25,967.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,749.07 : 82,116.50 = 17,312.89 : x
  2. Step 2: Convert to fraction form
    54,749.07/82,116.50 = 17,312.89/x
  3. Step 3: Cross multiply
    54,749.07x = 82,116.50 × 17,312.89
  4. Step 4: Simplify right side
    54,749.07x = 1,421,673,931.69
  5. Step 5: Solve for x
    x = 1,421,673,931.69/54,749.07
  6. Step 6: Final answer
    x = 25,967.09

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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.