Home / 63,420.12-87,519.70-35,125.92

Finding the Fourth Proportional to 63,420.12, 87,519.70 and 35,125.92

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Solution

The fourth proportional to 63,420.12, 87,519.70 and 35,125.92 is: 48,473.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,420.12 : 87,519.70 = 35,125.92 : x
  2. Step 2: Convert to fraction form
    63,420.12/87,519.70 = 35,125.92/x
  3. Step 3: Cross multiply
    63,420.12x = 87,519.70 × 35,125.92
  4. Step 4: Simplify right side
    63,420.12x = 3,074,209,980.62
  5. Step 5: Solve for x
    x = 3,074,209,980.62/63,420.12
  6. Step 6: Final answer
    x = 48,473.73

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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.