Home / 76,085.91-105,001.65-42,093.81

Finding the Fourth Proportional to 76,085.91, 105,001.65 and 42,093.81

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Solution

The fourth proportional to 76,085.91, 105,001.65 and 42,093.81 is: 58,091.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,085.91 : 105,001.65 = 42,093.81 : x
  2. Step 2: Convert to fraction form
    76,085.91/105,001.65 = 42,093.81/x
  3. Step 3: Cross multiply
    76,085.91x = 105,001.65 × 42,093.81
  4. Step 4: Simplify right side
    76,085.91x = 4,419,919,504.79
  5. Step 5: Solve for x
    x = 4,419,919,504.79/76,085.91
  6. Step 6: Final answer
    x = 58,091.17

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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.