Home / 110,513.10-165,660.30-54,307.20

Finding the Fourth Proportional to 110,513.10, 165,660.30 and 54,307.20

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Solution

The fourth proportional to 110,513.10, 165,660.30 and 54,307.20 is: 81,407.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,513.10 : 165,660.30 = 54,307.20 : x
  2. Step 2: Convert to fraction form
    110,513.10/165,660.30 = 54,307.20/x
  3. Step 3: Cross multiply
    110,513.10x = 165,660.30 × 54,307.20
  4. Step 4: Simplify right side
    110,513.10x = 8,996,547,044.16
  5. Step 5: Solve for x
    x = 8,996,547,044.16/110,513.10
  6. Step 6: Final answer
    x = 81,407.06

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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.