Home / 77,170.47-106,516.04-45,360.69

Finding the Fourth Proportional to 77,170.47, 106,516.04 and 45,360.69

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Solution

The fourth proportional to 77,170.47, 106,516.04 and 45,360.69 is: 62,609.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,170.47 : 106,516.04 = 45,360.69 : x
  2. Step 2: Convert to fraction form
    77,170.47/106,516.04 = 45,360.69/x
  3. Step 3: Cross multiply
    77,170.47x = 106,516.04 × 45,360.69
  4. Step 4: Simplify right side
    77,170.47x = 4,831,641,070.47
  5. Step 5: Solve for x
    x = 4,831,641,070.47/77,170.47
  6. Step 6: Final answer
    x = 62,609.97

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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.