Home / 75,416.10-113,124.15-20,012.10

Finding the Fourth Proportional to 75,416.10, 113,124.15 and 20,012.10

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Solution

The fourth proportional to 75,416.10, 113,124.15 and 20,012.10 is: 30,018.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,416.10 : 113,124.15 = 20,012.10 : x
  2. Step 2: Convert to fraction form
    75,416.10/113,124.15 = 20,012.10/x
  3. Step 3: Cross multiply
    75,416.10x = 113,124.15 × 20,012.10
  4. Step 4: Simplify right side
    75,416.10x = 2,263,851,802.22
  5. Step 5: Solve for x
    x = 2,263,851,802.22/75,416.10
  6. Step 6: Final answer
    x = 30,018.15

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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.