Home / 76,451.70-105,504.75-42,463.34

Finding the Fourth Proportional to 76,451.70, 105,504.75 and 42,463.34

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Solution

The fourth proportional to 76,451.70, 105,504.75 and 42,463.34 is: 58,600.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,451.70 : 105,504.75 = 42,463.34 : x
  2. Step 2: Convert to fraction form
    76,451.70/105,504.75 = 42,463.34/x
  3. Step 3: Cross multiply
    76,451.70x = 105,504.75 × 42,463.34
  4. Step 4: Simplify right side
    76,451.70x = 4,480,083,543.34
  5. Step 5: Solve for x
    x = 4,480,083,543.34/76,451.70
  6. Step 6: Final answer
    x = 58,600.18

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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.