Home / 70,746.33-106,093.81-38,749.17

Finding the Fourth Proportional to 70,746.33, 106,093.81 and 38,749.17

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Solution

The fourth proportional to 70,746.33, 106,093.81 and 38,749.17 is: 58,109.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,746.33 : 106,093.81 = 38,749.17 : x
  2. Step 2: Convert to fraction form
    70,746.33/106,093.81 = 38,749.17/x
  3. Step 3: Cross multiply
    70,746.33x = 106,093.81 × 38,749.17
  4. Step 4: Simplify right side
    70,746.33x = 4,111,047,079.64
  5. Step 5: Solve for x
    x = 4,111,047,079.64/70,746.33
  6. Step 6: Final answer
    x = 58,109.69

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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.