Home / 70,091.19-105,070.91-34,538.81

Finding the Fourth Proportional to 70,091.19, 105,070.91 and 34,538.81

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Solution

The fourth proportional to 70,091.19, 105,070.91 and 34,538.81 is: 51,775.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,091.19 : 105,070.91 = 34,538.81 : x
  2. Step 2: Convert to fraction form
    70,091.19/105,070.91 = 34,538.81/x
  3. Step 3: Cross multiply
    70,091.19x = 105,070.91 × 34,538.81
  4. Step 4: Simplify right side
    70,091.19x = 3,629,023,498.97
  5. Step 5: Solve for x
    x = 3,629,023,498.97/70,091.19
  6. Step 6: Final answer
    x = 51,775.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.