Home / 67,715.20-93,349.59-47,509.48

Finding the Fourth Proportional to 67,715.20, 93,349.59 and 47,509.48

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Solution

The fourth proportional to 67,715.20, 93,349.59 and 47,509.48 is: 65,494.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,715.20 : 93,349.59 = 47,509.48 : x
  2. Step 2: Convert to fraction form
    67,715.20/93,349.59 = 47,509.48/x
  3. Step 3: Cross multiply
    67,715.20x = 93,349.59 × 47,509.48
  4. Step 4: Simplify right side
    67,715.20x = 4,434,990,479.11
  5. Step 5: Solve for x
    x = 4,434,990,479.11/67,715.20
  6. Step 6: Final answer
    x = 65,494.76

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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.