Home / 76,416.28-105,454.85-47,752.58

Finding the Fourth Proportional to 76,416.28, 105,454.85 and 47,752.58

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Solution

The fourth proportional to 76,416.28, 105,454.85 and 47,752.58 is: 65,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,416.28 : 105,454.85 = 47,752.58 : x
  2. Step 2: Convert to fraction form
    76,416.28/105,454.85 = 47,752.58/x
  3. Step 3: Cross multiply
    76,416.28x = 105,454.85 × 47,752.58
  4. Step 4: Simplify right side
    76,416.28x = 5,035,741,185.89
  5. Step 5: Solve for x
    x = 5,035,741,185.89/76,416.28
  6. Step 6: Final answer
    x = 65,898.80

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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.