Home / 75,105.18-103,612.13-44,875.37

Finding the Fourth Proportional to 75,105.18, 103,612.13 and 44,875.37

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Solution

The fourth proportional to 75,105.18, 103,612.13 and 44,875.37 is: 61,908.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,105.18 : 103,612.13 = 44,875.37 : x
  2. Step 2: Convert to fraction form
    75,105.18/103,612.13 = 44,875.37/x
  3. Step 3: Cross multiply
    75,105.18x = 103,612.13 × 44,875.37
  4. Step 4: Simplify right side
    75,105.18x = 4,649,632,873.17
  5. Step 5: Solve for x
    x = 4,649,632,873.17/75,105.18
  6. Step 6: Final answer
    x = 61,908.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.