Home / 76,450.59-105,498.23-42,461.28

Finding the Fourth Proportional to 76,450.59, 105,498.23 and 42,461.28

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Solution

The fourth proportional to 76,450.59, 105,498.23 and 42,461.28 is: 58,594.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,450.59 : 105,498.23 = 42,461.28 : x
  2. Step 2: Convert to fraction form
    76,450.59/105,498.23 = 42,461.28/x
  3. Step 3: Cross multiply
    76,450.59x = 105,498.23 × 42,461.28
  4. Step 4: Simplify right side
    76,450.59x = 4,479,589,671.23
  5. Step 5: Solve for x
    x = 4,479,589,671.23/76,450.59
  6. Step 6: Final answer
    x = 58,594.57

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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.