Home / 113,990.15-170,988.69-39,109.24

Finding the Fourth Proportional to 113,990.15, 170,988.69 and 39,109.24

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Solution

The fourth proportional to 113,990.15, 170,988.69 and 39,109.24 is: 58,665.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,990.15 : 170,988.69 = 39,109.24 : x
  2. Step 2: Convert to fraction form
    113,990.15/170,988.69 = 39,109.24/x
  3. Step 3: Cross multiply
    113,990.15x = 170,988.69 × 39,109.24
  4. Step 4: Simplify right side
    113,990.15x = 6,687,237,714.50
  5. Step 5: Solve for x
    x = 6,687,237,714.50/113,990.15
  6. Step 6: Final answer
    x = 58,665.05

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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.