Home / 77,612.20-116,364.56-39,587.67

Finding the Fourth Proportional to 77,612.20, 116,364.56 and 39,587.67

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Solution

The fourth proportional to 77,612.20, 116,364.56 and 39,587.67 is: 59,354.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,612.20 : 116,364.56 = 39,587.67 : x
  2. Step 2: Convert to fraction form
    77,612.20/116,364.56 = 39,587.67/x
  3. Step 3: Cross multiply
    77,612.20x = 116,364.56 × 39,587.67
  4. Step 4: Simplify right side
    77,612.20x = 4,606,601,800.98
  5. Step 5: Solve for x
    x = 4,606,601,800.98/77,612.20
  6. Step 6: Final answer
    x = 59,354.09

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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.