Home / 115,966.10-173,819.55-66,070.10

Finding the Fourth Proportional to 115,966.10, 173,819.55 and 66,070.10

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Solution

The fourth proportional to 115,966.10, 173,819.55 and 66,070.10 is: 99,031.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,966.10 : 173,819.55 = 66,070.10 : x
  2. Step 2: Convert to fraction form
    115,966.10/173,819.55 = 66,070.10/x
  3. Step 3: Cross multiply
    115,966.10x = 173,819.55 × 66,070.10
  4. Step 4: Simplify right side
    115,966.10x = 11,484,275,050.46
  5. Step 5: Solve for x
    x = 11,484,275,050.46/115,966.10
  6. Step 6: Final answer
    x = 99,031.31

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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.