Home / 63,615.40-87,942.18-48,581.80

Finding the Fourth Proportional to 63,615.40, 87,942.18 and 48,581.80

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Solution

The fourth proportional to 63,615.40, 87,942.18 and 48,581.80 is: 67,159.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,615.40 : 87,942.18 = 48,581.80 : x
  2. Step 2: Convert to fraction form
    63,615.40/87,942.18 = 48,581.80/x
  3. Step 3: Cross multiply
    63,615.40x = 87,942.18 × 48,581.80
  4. Step 4: Simplify right side
    63,615.40x = 4,272,389,400.32
  5. Step 5: Solve for x
    x = 4,272,389,400.32/63,615.40
  6. Step 6: Final answer
    x = 67,159.67

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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.