Home / 69,780.43-96,332.75-47,238.67

Finding the Fourth Proportional to 69,780.43, 96,332.75 and 47,238.67

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Solution

The fourth proportional to 69,780.43, 96,332.75 and 47,238.67 is: 65,213.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,780.43 : 96,332.75 = 47,238.67 : x
  2. Step 2: Convert to fraction form
    69,780.43/96,332.75 = 47,238.67/x
  3. Step 3: Cross multiply
    69,780.43x = 96,332.75 × 47,238.67
  4. Step 4: Simplify right side
    69,780.43x = 4,550,630,987.44
  5. Step 5: Solve for x
    x = 4,550,630,987.44/69,780.43
  6. Step 6: Final answer
    x = 65,213.57

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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.