Home / 110,428.08-165,638.75-31,542.45

Finding the Fourth Proportional to 110,428.08, 165,638.75 and 31,542.45

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Solution

The fourth proportional to 110,428.08, 165,638.75 and 31,542.45 is: 47,312.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,428.08 : 165,638.75 = 31,542.45 : x
  2. Step 2: Convert to fraction form
    110,428.08/165,638.75 = 31,542.45/x
  3. Step 3: Cross multiply
    110,428.08x = 165,638.75 × 31,542.45
  4. Step 4: Simplify right side
    110,428.08x = 5,224,651,832.23
  5. Step 5: Solve for x
    x = 5,224,651,832.23/110,428.08
  6. Step 6: Final answer
    x = 47,312.71

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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.