Home / 67,709.20-93,341.32-47,503.48

Finding the Fourth Proportional to 67,709.20, 93,341.32 and 47,503.48

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Solution

The fourth proportional to 67,709.20, 93,341.32 and 47,503.48 is: 65,486.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,709.20 : 93,341.32 = 47,503.48 : x
  2. Step 2: Convert to fraction form
    67,709.20/93,341.32 = 47,503.48/x
  3. Step 3: Cross multiply
    67,709.20x = 93,341.32 × 47,503.48
  4. Step 4: Simplify right side
    67,709.20x = 4,434,037,527.79
  5. Step 5: Solve for x
    x = 4,434,037,527.79/67,709.20
  6. Step 6: Final answer
    x = 65,486.49

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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.