Home / 63,715.36-87,924.24-35,420.80

Finding the Fourth Proportional to 63,715.36, 87,924.24 and 35,420.80

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Solution

The fourth proportional to 63,715.36, 87,924.24 and 35,420.80 is: 48,879.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,715.36 : 87,924.24 = 35,420.80 : x
  2. Step 2: Convert to fraction form
    63,715.36/87,924.24 = 35,420.80/x
  3. Step 3: Cross multiply
    63,715.36x = 87,924.24 × 35,420.80
  4. Step 4: Simplify right side
    63,715.36x = 3,114,346,920.19
  5. Step 5: Solve for x
    x = 3,114,346,920.19/63,715.36
  6. Step 6: Final answer
    x = 48,879.06

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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.