Home / 75,299.64-103,900.14-47,000.76

Finding the Fourth Proportional to 75,299.64, 103,900.14 and 47,000.76

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Solution

The fourth proportional to 75,299.64, 103,900.14 and 47,000.76 is: 64,852.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,299.64 : 103,900.14 = 47,000.76 : x
  2. Step 2: Convert to fraction form
    75,299.64/103,900.14 = 47,000.76/x
  3. Step 3: Cross multiply
    75,299.64x = 103,900.14 × 47,000.76
  4. Step 4: Simplify right side
    75,299.64x = 4,883,385,544.11
  5. Step 5: Solve for x
    x = 4,883,385,544.11/75,299.64
  6. Step 6: Final answer
    x = 64,852.71

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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.