Home / 76,454.70-105,508.89-42,466.35

Finding the Fourth Proportional to 76,454.70, 105,508.89 and 42,466.35

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Solution

The fourth proportional to 76,454.70, 105,508.89 and 42,466.35 is: 58,604.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,454.70 : 105,508.89 = 42,466.35 : x
  2. Step 2: Convert to fraction form
    76,454.70/105,508.89 = 42,466.35/x
  3. Step 3: Cross multiply
    76,454.70x = 105,508.89 × 42,466.35
  4. Step 4: Simplify right side
    76,454.70x = 4,480,577,450.85
  5. Step 5: Solve for x
    x = 4,480,577,450.85/76,454.70
  6. Step 6: Final answer
    x = 58,604.34

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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.