Home / 63,403.12-87,499.07-35,108.80

Finding the Fourth Proportional to 63,403.12, 87,499.07 and 35,108.80

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Solution

The fourth proportional to 63,403.12, 87,499.07 and 35,108.80 is: 48,451.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,403.12 : 87,499.07 = 35,108.80 : x
  2. Step 2: Convert to fraction form
    63,403.12/87,499.07 = 35,108.80/x
  3. Step 3: Cross multiply
    63,403.12x = 87,499.07 × 35,108.80
  4. Step 4: Simplify right side
    63,403.12x = 3,071,987,348.82
  5. Step 5: Solve for x
    x = 3,071,987,348.82/63,403.12
  6. Step 6: Final answer
    x = 48,451.67

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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.