Home / 84,617.86-126,930.30-69,799.18

Finding the Fourth Proportional to 84,617.86, 126,930.30 and 69,799.18

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Solution

The fourth proportional to 84,617.86, 126,930.30 and 69,799.18 is: 104,701.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,617.86 : 126,930.30 = 69,799.18 : x
  2. Step 2: Convert to fraction form
    84,617.86/126,930.30 = 69,799.18/x
  3. Step 3: Cross multiply
    84,617.86x = 126,930.30 × 69,799.18
  4. Step 4: Simplify right side
    84,617.86x = 8,859,630,857.15
  5. Step 5: Solve for x
    x = 8,859,630,857.15/84,617.86
  6. Step 6: Final answer
    x = 104,701.67

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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.